Question

what are all of the perfect squares

Answer 1

Anything multiplied by itself is a perfect square, so there are an infinite number of them.

Answer 2

0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, etc.

Answer 3

is 250?

Answer 4

nope

Answer 5

[5^2=25\] but there is no whole number whose square is 250

Answer 6

No. For anything you want to check, try finding the square root of it on a calculator. If you get a decimal number, it is not a perfect square.