Q: What number is 13 a square root of?

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169. 13 x 13 = 169. square root of 169 = 13.

It is both.13 is the square of +/- 3.6056, approx. However, since it is not the square of an integer, it is not a perfect square.It is also the square root of 169.

If the square root of a number is irrational, it is its own conjugate. sqrt(13)*sqrt(13) = 13 and you no longer have an irrational!

Yes, the square root of 168 is a rational number. It's 13.

No. The square root of a positive integer is either a whole number or it is irrational.

Yes, because the square root of 169 is 13 which is a rational number

No.

The square root of the number 169, is 13 because when 13 is multiplied by itself, it results to 169.

It can't be simplified because the square root of 13 is an irrational number that can not be expressed as a fraction

The square root of 13 is irrational. All square roots of whole numbers are irrational unless the number is a perfect square.

The square root of 169 is 13 which is a rational and also a prime number

No, it is not.

No

Yes because the square root of 169 is 13 which is a rational number

To do square root in excel you type SQRT and then whatever number you want to square root in brackets. For instance, if you want the square root of 13 in one cell, you would type =SQRT(13).

For a number to be a perfect square, the number's square root has to be a whole number. 9 is a perfect square because its square root is a whole number, 3. If the square root of the number is a decimal, then it is not a perfect square. For example, 13 does not divide evenly so it not a perfect square.

The number you're looking for is... 169

The square root of 13 = 3.605551275....

0

the square root of 13 x 13 is 13

-13 or +13 are both square root of 169, but we often use the positive square root, 13, as the principal square root.

13

Yes.

13

13, is not the square root of 156, but the best i can give you is that 13 is the square root of 169 and 14 is the square root of 196.