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* 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
Yes it is.Since the square of an integer is called a perfect square, then the square root of a perfect square must be an integer.
Irrational. The square root of a positive integer is either an integer (that is, if the integer is a perfect square), or an irrational number.
Yes. The square root of a positive integer can only be an integer (if your integer is a perfect square), or an irrational number (if it isn't).
an integer