Question

Which of the following is equivalent to 36^1/2?

A) –18

B) –6

C) 1/18

D) 1/6

Answer 1

$36^{\frac{1}{2}} = \sqrt{36} = \pm 6$
Thus, it is (B)

Answer 2

36^(1/2) means √36

√36=±6

So the square root of 36 is 6 and -6, and only -6 is among your choices.