Determine whether the number is a perfect square. 16

In this question, we're trying to determine if 16 is a perfect square.

A perfect square is a number that could be multiplied by 2 of the same numbers.

A perfect square relates to the square root of a number.

In order to figure out if 16 is a perfect square, you can find the square root of it:

In this case, 16 IS a perfect square.

It's a perfect square because you could multiply 4 × 4 to get 16.

Perfect squares could be:

1 × 1 = 1

2 × 2 = 4

3 × 3 = 9

4 × 4 = 16

5 × 5 = 25

Etc.

18.75 gallons

step-by-step explanation: