Is 9 a perfect square or is 9 a square number?

Is 9 a square number?

Here we will answer the question: "Is 9 a square number?" You could also ask "Is 9 a perfect square?" Square number and perfect square mean the same thing.

Anyway, for 9 to be a square number, 9 must be the product of an integer multiplied by itself. In other words, the square root of 9 must equal a whole number (integer).

The square root of 9 is 3 which is an integer. Thus, 9 is a square number.

The answer to the question: "Is 9 a square number?" is Yes.
The answer to the question: "Is 9 a perfect square?" is also Yes.

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