Our square source calculator approximates the square source of any kind of positive number you want. Just go into the preferred number and also read the results. Everything is calculate quickly and also automatically! v this tool, girlfriend can also estimate the square the the desired number (just go into the value into the 2nd field) which may be a great help in detect perfect squares native the square root formula.Are you struggling v the an easy arithmetic operations: including square roots, subtracting square roots, multiply square roots or dividing square roots? Not any type of more! In the complying with text, you will discover a detailed explanation about different square root properties, e.g., just how to leveling square roots, with many various examples given. V this article, friend will find out once and also for all just how to find square roots!
Have you ever before wondered what is the origin of the square root symbol √? We have the right to assure you that this background is not as an easy as you could think in ~ first. The origin of the root symbol goes earlier to ancient times, together the beginning of the percent sign.
You are watching: 20/sqrt(2)
If you're looking for the square root graph or square root function properties, head straight to the appropriate section (just click the web links above!). There, we describe what is the derivative the a square root using a an essential square source definition; we additionally elaborate on just how to calculation square root of index number or square root of fractions. Finally, if you are persistent enough, friend will find out that square root of a an unfavorable number is, in fact, possible. In that way, we present complex numbers i beg your pardon find broad applications in physics and mathematics.
Square source symbol √
The operation of the square source of a number was currently known in antiquity. The faster clay tablet computer with the correct value of up to 5 decimal places of √2 = 1.41421 comes from Babylonia (1800 BC - 1600 BC). Numerous other documents present that square root were also used through the old Egyptians, Indians, Greeks, and Chinese. However, the beginning of the root symbol √ is still greatly speculative.many scholars think that square root originate indigenous the letter "r" - the very first letter of the Latin native radix definition root,another theory says that square root symbol to be taken native the Arabic letter ج the was put in its original form of ﺟ in words جذر - root (the Arabic language is created from ideal to left).
The an initial use that the square root symbol √ didn't encompass the horizontal "bar" end the numbers within the square source (or radical) symbol, √‾. The "bar" is known as a vinculum in Latin, meaning bond. Back the radical symbol with vinculum is currently in daily use, we normally omit this overline in the countless texts, choose in short articles on the internet. The notation the the greater degrees that a root has actually been suggested by Albert Girard who put the degree index in ~ the opened of the radical sign, e.g., ³√ or ⁴√.
The last concern is why is the square source operation referred to as root nevertheless of that is true origin? The explanation must become more evident if we create the equation x = ⁿ√a in a various form: xⁿ = a. X is called a root or radical due to the fact that it is the concealed base the a. Thus, words radical doesn't average far-reaching or extreme, yet instead foundational, reaching the source cause.
Square root definition
In mathematics, the classic operations on numbers space addition, subtraction, multiplication, and division. Nonetheless, us sometimes add to this list some an ext advanced operations and manipulations: square roots, exponentiation, logarithmic functions and also even trigonometric functions (e.g., sine and also cosine). In this article, us will emphasis on the square root an interpretation only.
The square root of a provided number x is every number y who square y² = y*y yields the initial number x. Therefore, the square source formula can be to express as:
√x = y ⟺ x = y²,
where ⟺ is a mathematical prize that method if and only if. Each hopeful real number always has two square roots - the first is positive and 2nd is negative. However, for countless practical purposes, we generally use the hopeful one. The only number that has one square source is zero. The is because √0 = 0 and zero is neither positive nor negative.
There is additionally another typical notation of square roots that could be an ext convenient in many complex calculations. This alternative square source formula states that the square source of a number is a number raised to the exponent that the portion one half:
√x = x^(1/2) = x^(0.5)
In geometric interpretation, the square root of a offered area that a square provides the length of that side. That's why √ has actually word square in the name. A similar situation is v the cube source ∛. If you take it the cube source of the volume that a cube, you get the size of its edges. If square root are used when considering surface areas, cube root are beneficial to determine quantities that relate come the volume, e.g., density.
How to uncover the square root?
Maybe we aren't being very modest, however we think that the finest answer come the question how to discover the square source is straightforward: use the square root calculator! You have the right to use the both on her computer and your smartphone to conveniently estimate the square root of a provided number. Unfortunately, there space sometimes instances when you have the right to rely only on yourself, what then? to prepare for this, you must remember several basic perfect square roots:square root of 1: √1 = 1, because 1 * 1 = 1;square root of 4: √4 = 2, due to the fact that 2 * 2 = 4;square root of 9: √9 = 3, due to the fact that 3 * 3 = 9;square source of 16: √16 = 4, because 4 * 4 = 16;square source of 25: √25 = 5, due to the fact that 5 * 5 = 25;square root of 36: √36 = 6, since 6 * 6 = 36;square root of 49: √49 = 7, since 7 * 7 = 49;square root of 64: √64 = 8, since 8 * 8 = 64;square source of 81: √81 = 9, due to the fact that 9 * 9 = 81;square root of 100: √100 = 10, due to the fact that 10 * 10 = 100;square root of 121: √121 = 11, since 11 * 11 = 121;square root of 144: √144 = 12, since 12 * 12 = 144;
The above numbers room the most basic square roots since every time you acquire an integer. Shot to psychic them! yet what deserve to you do when there is a number that doesn't have actually such a nice square root? There space multiple solutions. Very first of all, girlfriend can shot to predict the result by trial and also error. Let's say that you desire to calculation the square root of 52:You know that √49 = 7 and also √64 = 8 so √52 have to be in between 7 and also 8.Number 52 is closer come the 49 (effectively closer come the 7) so friend can try guessing that √52 is 7.3.Then, girlfriend square 7.3 obtaining 7.3² = 53.29 (as the square source formula says) which is higher than 52. You have actually to shot with a smaller sized number, let's speak 7.2.The square that 7.2 is 51.84. Currently you have actually a smaller sized number, yet much closer come the 52. If the accuracy satisfies you, you can end estimations here. Otherwise, you can repeat the procedure through a number chosen between 7.2 and 7.3,e.g., 7.22 and also so on and also so forth.
Another technique is come simplify the square root first and then usage the approximations that the element numbers square roots (typically rounded to two decimal places):square source of 2: √2 ≈ 1.41,square root of 3: √3 ≈ 1.73,square root of 5: √5 ≈ 2.24,square root of 7: √7 ≈ 2.65,square source of 11: √11 ≈ 3.32,square root of 13: √13 ≈ 3.61,square source of 17: √17 ≈ 4.12,square source of 19: √19 ≈ 4.34, etc.
Let's try and discover the square root of 52 again. You deserve to simplify it to √52 = 2√13 (you will learn just how to leveling square source in the next section) and then instead of √13 ≈ 3.61. Finally, do a multiplication √52 ≈ 2 * 3.61 = 7.22. The an outcome is the same as before!
You can check whether a number is element or not with our prime number calculator. A prime number is a organic number (greater than one) that can't be derived as a product of 2 smaller organic numbers. For example, 7 is a element number since you can obtain it just by multiply 1 * 7 or 7 * 1. ~ above the other hand, number 8 is no prime, due to the fact that you can kind it by multiplying 2 * 4 or 4 * 2 (besides product that 1 and 8 itself).
Square source calculator
In some situations, girlfriend don't need to recognize the exact result of the square root. If this is the case, our square source calculator is the finest option to estimate the worth of every square root you desired. Because that example, let's say you desire to know whether 4√5 is better than 9. Indigenous the calculator, you know that √5 ≈ 2.23607, so 4√5 ≈ 4 * 2.23607 = 8.94428. It is really close come the 9, yet it isn't greater than it! The square source calculator gives the final value with fairly high accuracy (to 5 digits in over example). With the significant figure calculator, you have the right to calculate this an outcome to together many far-ranging figures together you want.
Remember the our calculator automatically recalculates numbers entered into either of the fields. You can uncover what is the square root of a details number by filling the very first window or gain the square of a number the you gotten in in the 2nd window. The 2nd option is comfortable in finding perfect squares the are essential in many facets of math and science. For example, if you enter 17 in the 2nd field, girlfriend will discover out that 289 is a perfect square.
In some applications the the square root, an especially those in connection with to sciences such as chemistry and physics, the results are preferred in scientific notation. In brief, response in clinical notation must have actually a decimal point between the an initial two non-zero numbers and will be represented as the decimal multiply by 10 raised to one exponent. For example, the number 0.00345 is written as 3.45 * 10⁻³ in scientific notation, whereas 145.67 is written as 1.4567 * 10² in scientific notation. The results obtained using the square source calculator can be convert to scientific notation with the scientific notation calculator.
How to simplify square roots?
First, let's questioning ourselves i m sorry square roots can be simplified. To answer it, you should take the number i m sorry is after the square root symbol and find the factors. If any kind of of its factors are square number (4, 9, 16, 25, 36, 49, 64 and also so on), then you deserve to simplify the square root. Why are these numbers square? They can be respectively expressed together 2², 3², 4², 5², 6², 7² and also so on. According to the square root definition, you can contact them perfect squares. We've gained a one-of-a-kind tool dubbed the element calculator which can be an extremely handy here. Let's take it a watch at part examples:can you leveling √27? v the calculator mentioned above, you obtain factors that 27: 1, 3, 9, 27. Over there is 9 here! This method you have the right to simplify √27.can you simplify √15? components of 15 are 1, 3, 5, 15. There room no perfect squares in those numbers, so this square root can't be simplified.
So, just how to leveling square roots? To define that, we will use a handy square source property we have talked about earlier, namely, the alternative square source formula:
√x = x^(1/2)
We have the right to use those two forms of square roots and also switch between them whenever us want. Particularly, us remember that strength of multiplication of two details numbers is tantamount to the multiplication that those details numbers elevated to the very same powers. Therefore, we can write:
(x * y)^(1/2) = x^(1/2) * y^(1/2) ⟺ √(x * y) = √x * √y,
How can you use this knowledge? The discussion of a square root is normally not a perfect square girlfriend can quickly calculate, but it may contain a perfect square amongst its factors. In various other words, you can write it together a multiplication of two numbers, where one of the number is the perfect square, e.g., 45 = 9 * 5 (9 is a perfect square). The need of having actually at least one factor that is a perfect square is important to simplify the square root. At this point, you must probably recognize what the next step will certainly be. You have to put this multiplication under the square root. In ours example:
√45 = 45^(1/2) = (9 * 5)^(1/2) = 9^(1/2) * 5^(1/2) = √9 * √5 = 3√5.
You have effectively simplified your an initial square root! of course, friend don't need to write down all this calculations. As lengthy as friend remember the square root is tantamount to the power of one half, you deserve to shorten them. Let's exercise simplifying square roots v some other examples:How to leveling square source of 27? √27 = √(9 * 3) = √9 * √3 = 3√3;How to simplify square source of 8? √8 = √(4 * 2) = √4 * √2 = 2√2;How to leveling square source of 144? √144 = √(4 * 36) = √4 * √36 = 2 * 6 = 12.
In the critical example, friend didn't need to simplify the square source at all, because 144 is a perfect square. You might just remember the 12 * 12 = 144. However, we wanted to show you that with the process of simplification, friend can conveniently calculate square roots of perfect squares too. That is valuable when dealing with huge numbers.
Finally, you might ask how to leveling roots of greater orders, e.g., cube roots. In fact, the process is very analogical come the square roots, yet in the situation of cube roots, you have actually to find at the very least one variable that is a perfect cube, not a perfect square, i.e., 8 = 2³, 27 = 3³, 64 = 4³, 125 = 5³ and also so on. Climate you division your number right into two parts and also put under the cube root. Let's take it the following example of simple ³√192:
∛192 = ∛(64 * 3) = ∛64 * ∛3 = 4∛3
It might seem a little bit facility at first glance, but after some practice, friend will have the ability to simplify roots in your head. To trust us!
Adding, subtracting, multiplying and dividing square roots
Adding square roots and subtracting square roots
Unfortunately, including or subtracting square roots space not as basic as adding/subtracting regular numbers. Because that example, if 2 + 3 = 5, it doesn't typical that √2 + √3 equals √5. That's wrong! To understand why is that, imagine the you have actually two different varieties of shapes: triangle 🔺 and also circles 🔵. What happens as soon as you include one triangle come one circle 🔺 + 🔵? Nothing! friend still have actually one triangle and one one 🔺 + 🔵. On the other hand, what happens once you try to include three triangles to five triangles: 3🔺 + 5🔺? You'll we get eight triangles 8🔺.
Adding square roots is very similar to this. The an outcome of adding √2 + √3 is tho √2 + √3. You can't simplify it further. The is a various situation yet when both square roots have actually the very same number under the root symbol. Then us can include them just as regular numbers (or triangles). For instance 3√2 + 5√2 equals 8√2. The same thing is true subtracting square roots. Let's take it a look at more examples illustrating this square source property:What is 6√17 + 5√17? Answer: 6√17 + 5√17 = 11√17;What is 4√7 - 7√7? Answer: 4√7 - 7√7 = -3√7;What is 2√2 + 3√8? Answer: 2√2 + 3√8 = 2√2 + 6√2 = 8√2, due to the fact that we simplified √8 = √(4 * 2) = √4 * √2 = 2√2;What is √45 - √20? Answer: √45 - √20 = 3√5 - 2√5 = √5, due to the fact that we streamlined √45 = √(9 * 5) = √9 * √5 = 3√5 and √20 = √(4 * 5) = √4 * √5 = 2√5;What is 7√13 + 2√22? Answer: 7√13 + 2√22, we can't simplify this further;What is √3 - √18? Answer: √3 - √18 = √3 - 3√2, we can't leveling this additional than this, yet we at the very least simplified √18 = √(9 * 2) = √9 * √2 = 3√2.
Multiplying square roots and also dividing square roots
Now, when adding square roots is a item of cake for you, let's go one step further. What about multiplying square roots and dividing square roots? Don't be scared! In fact, you currently did it during the lesson of simplifying square roots. Multiplying square roots is based on the square root residential or commercial property that we have actually used prior to a couple of times, the is:
√x = x^(1/2)
Do friend remember just how to multiply numbers the are elevated to the very same power? together a reminder:
xⁿ * yⁿ = (x * y)ⁿ,
x^(1/2) * y^(1/2) = (x * y)^(1/2) ⟺ √x * √y = √(x * y).
As opposed to addition, you have the right to multiply every 2 square roots. Remember that multiplication has commutative properties, that method that the order to which two numbers are multiplied does not matter. Few examples must clarify this issue:What is √3 * √2? Answer: √3 * √2 = √6;What is 2√5 * 5√3? Answer: 2√5 * 5√3 = 2 * 5 * √5 * √3 = 10√15, because multiplication is commutative;What is 2√6 * 3√3? Answer: 2√6 * 3√3 = 2 * 3 * √6 * √3 = 6√18 = 18√3, we simplified √18 = √(9 * 2) = √9 * √2 = 3√2.
Dividing square root is nearly the very same since:
x^(1/2) / y^(1/2) = (x / y)^(1/2) ⟺ √x / √y = √(x / y).
All you need to do is to replace multiplication authorize with a division. However, the division is not a commutative operator! You need to calculate the numbers the stand before the square roots and numbers under the square root separately. Together always, some helpful examples:What is √15 / √3? Answer: √15 / √3 = √5;What is 10√6 / 5√2? Answer: 10√6 / 5√2 = (10 / 5) * (√6 / √2) = 2√3;What is 6√2 / 3√5? Answer: 6√2 / 3√5 = (6 / 3) * (√2 / √5) = 2√(2/5) = 2√(0.4), we switched over there from a simple fraction 2/5 to the decimal fraction 2/5 = 4/10 = 0.4.
Square root of exponents and also fractions
Calculating the square root of the exponent or square source of the fraction might not be clear because that you. However with the knowledge you acquired in the ahead section, girlfriend should uncover it easier than you expected! Let's start with the square root of exponents. In the case, it will certainly be easier for friend to usage the alternative form of square source √x = x^(1/2). Do you remember the power rule? If not, below is a quick reminder:
(x^n)^m = x^(n*m),
where n and also m are any type of real numbers. Now, when you ar 1/2 rather of m you'll acquire nothing else but a square root:
√(x^n) = (x^n)^(1/2) = x^(n/2),
and that's how you uncover the square source of an exponent. Speaking of exponents, above equation watch very similar to the traditional normal distribution thickness function, i beg your pardon is widely supplied in statistics.
If you're still no sure around taking square roots of exponents, here are a couple of examples:square root of 2^4: √(2^4) = (2^4)^(1/2) = 2^(4/2) = 2^2 = 4,square source of 5^3: √(5^3) = (5^3)^(1/2) = 5^(3/2),square source of 4^5: √(4^5) = (4^5)^(1/2) = 4^(5/2) = (2^2)^(5/2) = 2^5 = 32.
As you can see, sometimes it is difficult to get a pretty result like the very first example. However, in the 3rd example, we confirmed you a tiny trick v expressing 4 as 2^2. This approach can often simplify more facility equations.
What about square root of fractions? take a look at the previous ar where we wrote about dividing square roots. Friend can discover there the following relation the should define everything:
(x / y)^(1/2) ⟺ √x / √y = √(x / y),
where x / y is a fraction. Listed below you can uncover some instances of square roots of a fraction:square source of 4/9: √(4/9) = √4 / √9 = 2/3,square source of 1/100: √(1/100) = √1 / √100 = 1/10,square root of 1/5: √(1/5) = √1 / √5 = 1/√5 = √5/5.
Leaving root in the denominator is not a very great habit. That's why we removed it in the last example. We just multiplied both the numerator and also denominator by the exact same number (we can constantly do that, together the number we multiply by equates to 1), in this case by √5.
Square root role and graph
Functions beat a critical role not only in mathematics but in numerous other areas like physics, statistics, or finance. Duty f(x) is nothing more than a formula the says how the value of f(x) alters with the debate x. To view some examples, check out ours finance devices made by gaue won specialists, because that example, the compound interest calculator or future value calculator. Girlfriend will uncover there some functions that you can apply in genuine life. They're a great help if you desire to know how to calculation the compound interest or to calculation the future value of one annuity.
Below girlfriend can find the square source graph, consisted of of half of a parabola. Check it and shot to validate, for example, even if it is the square root function of x = 9 is 3 and of x = 16 is 4 (as it have to be).
You most likely have currently noticed the the square source of the area of a square offers its side length. This attribute is supplied in one of our building and construction calculators - square footage calculator. If you plan to do any renovation in the future, this tools could be a an excellent help. Don't forget to use them!
Derivative of the square root
A derivative of a role tells us how fast this role changes with its argument. One of the simplest examples in physics is the place of an object and its velocity (the rate of readjust of position). Let's say the the role x(t) defines how the street of the moving automobile from a details point transforms with time t. Perform you recognize what identify how quick the readjust is in your distance traveled? The price is the rate of the car! therefore the derivative of the position x(t) is velocity v(t)(velocity can depend on time too). To signify derivative, we typically use apostrophe v(t) = x'(t) or the derivative prize v(t) = dx(t)/dt.
The derivative the the general duty f(x) is not constantly easy to calculate. However, in part circumstances, if the function takes a details form, we've obtained some formulas. Because that example, if
f(x) = x^n,
where n is any real number, the derivative is together follows:
f'(x) = n * x^(n-1).
It might not look like, but this answers the inquiry what is the derivative the a square root. Execute you psychic the alternate (exponential) type of a square root? Let united state remind you:
√x = x^(1/2).
You deserve to see the in this situation n = 1/2, so the derivative that a square source is:
(√x)' = (x^(1/2))' = 1/2 * x^(-1/2) = 1/(2√x).
Since a number come a an unfavorable power is one over the number, the estimate of the derivation will involve fractions. We've obtained a device that might be crucial when including or subtracting fractions with different denominators. That is called the LCM calculator, and it speak you just how to uncover the Least typical Multiple.
The derivative that a square source is necessary to acquire the coefficients in the so-called Taylor expansion. We don't want to dive into details also deeply, so, briefly, the Taylor series allows you to approximate miscellaneous functions v the polynomials that are much easier to calculate. For example, the Taylor expansion of √(1 + x) about the allude x = 0 is offered by:
√(1 + x) = 1 + 1/2 * x - 1/8 * x² + 1/16 * x³ - 5/128 * x⁴ + ...,
which is valid because that -1 ≤ x ≤ 1. Return the over expression has actually an infinite variety of terms, to get the approximate value you can use simply a couple of first terms. Let's try it! v x = 0.5 and very first five terms, friend get:
√(1.5) = 1 + 1/2 * 0.5 - 1/8 * 0.25 + 1/16 * 0.125 - 5/128 * 0.0625,
√(1.5) ≈ 1.2241,
and the actual value, noted by our calculator, is √(1.5) ≈ 1.2247. Nearby enough!
That to be a many maths and also equations so far. For those of girlfriend who room persistent enough, we've ready the following section which describes how to calculate the square source of a negative number.
Square source of a an unfavorable number
At school, girlfriend probably have been taught the square source of a an unfavorable number does no exist. This is true once you consider only actual numbers. A long time ago, to perform progressed calculations, mathematicians had to present a an ext general set of number - the complex numbers. They have the right to be express in the adhering to form:
x = a + b*i,
where x is the complicated number v the real component a and also imaginary part b. What differs in between a complex number and a genuine one is the imaginary number i. Below you have some examples of facility numbers: 2 + 3i, 5i, 1.5 + 4i, 2. You may be surprised see 2 there which is a real number. Yes, the is, however it is additionally a complex number with b = 0. Complex numbers space a generalization that the genuine numbers.
So much imaginary number i is probably still a mystery for you. What is it at all? Well, although it might look weird, it is identified by the adhering to equation:
i = √(-1),
and that's all that you have to calculate the square source of every number, whether it is positive or not. Let's see some examples:square source of -9: √(-9) = √(-1 * 9) = √(-1)√9 = 3i,square source of -13: √(-13) = √(-1 * 13) = √(-1)√13 = i√13,square root of -49: √(-49) = √(-1 * 49) = √(-1)√49 = 7i.
Isn't the simple? This problem doesn't arise through the cube root due to the fact that you can achieve the an adverse number by multiplying three of the identical an unfavorable numbers (which friend can't perform with two negative numbers). Because that example:
³√(-64) = ³√<(-4)*(-4)*(-4)> = -4.
That's probably whatever you must know about square roots. We evaluate that you stayed with united state until this point! together a reward you must bake other sweet for yourself :-) examine out ours perfect pancake calculator to discover out just how to do the perfect pancake, but you prefer it. You may need ours grams to cup calculator to aid you v this. It works both ways, i.e., to transform grams come cups and convert cup to grams. And also if friend ask you yourself "How numerous calories need to I eat a day?", visit our handy calorie calculator!
Can a number have an ext than one square root?
Yes, in truth all positive numbers have actually 2 square roots, one that is positive and also another the is equal but an unfavorable to the first. This is because if you multiply two negatives together, the negatives cancel and the an outcome is positive.
How perform you uncover the square source without a calculator?Make one estimate of the square root. The closest square number is acceptable if you’re at a loss.Divide the number you want to uncover the square source of by the estimate.Add the estimate to the result of action 2.Divide the an outcome of action 3 through 2. This is your new estimate.Repeat procedures 2-4 v you brand-new estimate. The more times this is repeated, the an ext accurate the an outcome is.
How can I estimate square roots?Find the nearest square number above and below the number you are thinking of.The square root will certainly be in between the square roots of this numbers.The closeness the the number to a square source indicates just how close the root is. E.g., 26 is an extremely close come 25, so the root will certainly be really close to 5.Try a few times to acquire the hang of it.
Is the square source of 2 a rational number?
No, the square root of 2 is no rational. This is due to the fact that when 2 is created as a fraction, 2/1, it deserve to never have only even exponents, and also therefore a rational number cannot have actually been squared to develop it.
How deserve to I eliminate a square root?
In algebra, squaring both sides of the equation will acquire rid of any square roots. The result of this operation is that the square roots will be replaced with whatever number they were finding the square root of.
Are square roots rational?
Some square roots room rational, vice versa, others are not. You deserve to work the end if a square root is reasonable or no by finding out if the number you space square rooting deserve to be to express in regards to only also exponents (e.g. 4 = 22 / 1 2). If that can, its root is rational.
Is the square source of 5 a reasonable number?
The square source of 5 is not a rational number. This is due to the fact that 5 cannot be expressed as a fraction where both the numerator and also denominator have also exponents. This way that a reasonable number cannot have been squared to gain 5.
Is the square source of 7 a rational number?
The result of square rooting 7 is an irrational number. 7 cannot be created as a portion with only also exponents, definition that the number squared to with 7 cannot be expressed as a fraction of integers, and also therefore is no rational.
What is the derivative the the square root of x?
The derivative the square source x is x-1/2/2, or 1/2SQRT(x). This is due to the fact that the square source of x deserve to be expressed together x1/2, from which differentiation occurs normally.
How execute you find the square source of a decimal?Convert the decimal into a fraction.Find any type of square roots of the fraction, or estimate it. Make the portion equal come the square source you discovered squared.Cancel the square root and also the square leaving you with the fraction.
See more: Composite Numbers L Is 48 A Prime Number Or A Composite Number ?
Rewrite the fraction as a decimal together your last answer.