Q: A whole number whose square root is also a whole number is called what?

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A perfect square.

its called a "perfect square"

A perfect square.

Rational numbers whose square roots are whole numbers are themselves whole numbers. They are called square numbers, e.g. 1, 4, 9, 16, 25 and so on.

A perfect square is a number whose square root is a whole number, such as 1, 4, 9, 16, 25, etc.

Examples of such numbers are 49, where sqrt(49) = 7, 81, where sqrt(81) = 9. Such numbers are called square numbers.

If the square root is a whole number, then the square of the square root, the original number, is also a whole number; all whole numbers can be expressed as themselves over 1, and so are rational numbers. The answer is thus any square number, ie the square of the natural numbers: 1 (1²), 4 (2²), 9 (3²), 16 (4²), etc.

a perfect cube

3 and 84.

How about 27 whose cube root is 3 which is a rational whole number.

* Its square root is a whole #. Example: 16 is a perfect square. Its square root is 4. 17 is not a perfect square. Its square root is around 4.123105626

They are called multiplicative inverses or reciprocals of each other.

a prime square

The product will be a rational number whose absolute value is bigger than the absolute value of the whole number.The product will be a rational number whose absolute value is bigger than the absolute value of the whole number.The product will be a rational number whose absolute value is bigger than the absolute value of the whole number.The product will be a rational number whose absolute value is bigger than the absolute value of the whole number.

No.A perfect square is a number whose square root is a whole number, like 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, etc.

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a perfect cube

8

A whole number greater than 1 whose only factors is itself and 1 is called a prime factor. 2, 3, 5, 7, and 11, are just a few of them.

You are looking for a number which, when squared, gives you 144. Therefore, an obvious method is to try squaring different numbers, until you get one whose square is the desired number (in this case 144), or (in other cases), close enough to the desired number (since any whole number which is not a "perfect square" has an irrational square root).

The length of the diagonal of any square whose sides are a whole number of units.

"i" is the square root of -1. Since there is no real number whose square is negative, i is an imaginary number.

They are perfect squares.

There is no three digit prime number whose square root is a prime number. Prime numbers have no factors other than 1 and themselves. Any number having a prime number as a square root is a composite number.

prime number

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