Which expression DOES NOT represent a square root of a perfect integer A. square root of 100

B. square root of 64

C. square root of 81

D. square root of 89

The answer is D) square root of 89

Explanation:

Since it's asking for a root with a perfect integer, you need to multiply a whole number by itself, answer choice D is the only one that doesn't achieve this.

A - sq rt of 100 is 10

B - sq rt of 64 is 8

C - sq rt of 81 is 9