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Every positive number has TWO square roots. The principal square root is the positive number which, when multiplied by itself, gives the number in question. But its negative equivalent will also be a square root.
For example, the number 4 has 2 as the principal sqrt but -2 is also a sqrt of 4
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What is the square root of 13 x 13?
The square root of 13 x 13 is 13. This is because the square root of a number is a value that, when multiplied by itself, gives the original number. In this case, 13 multiplied by 13 equals 169, so the square root of 169 is 13.
On a number line which two number consecutive to the square root of 165?
12 and 13
How many square units are in a office that has 13 units by 19 units?
There are: 13*19 = 247 square units
How many 2 digits numbers are such that the difference of the number and the number with the digits reversed is a perfect square?
If the number with the digits reversed can have a leading 0 so that it is a 1-digit number, then 16. Otherwise 13.
Is the square root of 169 is rational?
Yes because the square root of 169 is 13 which is a rational number
