36.7k views
5 votes
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".

User Sam Hasler
by
7.9k points

2 Answers

0 votes
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.
User Bockdavidson
by
8.0k points
2 votes
Hello! I will be happy to help you.

1 = 1²
4 = 2²
9 = 3²
16 = 4²
25 = 5²

Hope this helps.
User Sbzoom
by
8.6k points