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9 October, 09:04

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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Answers (1)
  1. 9 October, 09:07
    0
    B. the square root of 16 because it is the only number that has a perfect square. 4*4=16
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