Which of the following is a perfect square?

A. 127

B. 100

C. 13

D. 102

A perfect square is in the form x^2

We can find the perfect square by taking the square root of each number. The number that reduces to a whole number when the square root is taken is your answer.

sqrt (100) = 10 so B. 100 is your answer.

The answer is B all of the perfect squares are1, 4, 9, 16, 25, 36, 49, 64, 81, 100