Question

Write each of the numbers 1, 4, 9, 16 and 25 as a based raised to the second power. Explain why these numbers sometimes are called ''perfect squares".

Answer 1

1 = 1²
4 = 2²
9 = 3²
16 = 4²
25 = 5²

A perfect square is a number that has an integer square root, such as these. 2, for example, has an irrational square root.

Answer 2

Hello! I will be happy to help you.

1 = 1²
4 = 2²
9 = 3²
16 = 4²
25 = 5²

Hope this helps.