Determine if the Expression is a Perfect Square 18

$18$

Step 1

A perfect square number is an integer that is the square of another integer. $\sqrt{18} \approx 4.24264068$ , which is not an integer number.

$\sqrt{18} \approx 4.24264068$

Step 2

Since $18$ can\'t be the square of another integer, it is not a perfect square number.