Question

Which of the following is equal to 1/4^-2?
-1/8
8
16
1/16

Answer 1

16

Explanation:

(1/4) ^-2

We know that a^-b = 1/a^b

(1/4) ^-2 = 1/(1/4) ^2 = 1/(1/16)

We know that 1/ (1/a) = a

1/ ( 1/16) = 16