Question

how can you tell if a decimal is a perfect square?

Answer 1

the pocket protector and horn-rimmed glasses?

Answer 2

isn't a perfect square a square of an integer (whole number)?

Answer 3

what? a perfect square is like when it has a square root.

Answer 4

all positive numbers have a square root...

Answer 5

yeah i knowwww

Answer 6

So if you are asking how can you tell if a decimal has a square root, the answer would be if it is positive.

Answer 7

if you are asking how can you tell if a decimal is a perfect square, like .25 becomes .5, where .5 has a square root of 0.70710768..., I would convert it to a fraction. .25 = 25/100 = 5/20 = 1/4 and then see if the numerator and denominator are both perfect squares. 1/4 yup, they are!

Answer 8

okay thanks!