Which of the following is a rational number? A. square root 15 B. square root 16, C. square root 21, D. square root 22

asked Nov 20, 2017 71.8k views

5 votes

Which of the following is a rational number?

A. square root 15
B. square root 16,
C. square root 21,
D. square root 22

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2 votes

B. the square root of 16 because it is the only number that has a perfect square. 4×4=16

Shariq Ansari answered Nov 25, 2017

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