Question

Which of these is NOT equivalent to 2^−3

A.-2^3
B.2(1/4)^2
C.2^2 x 2^-5
D.(1/2)^3

Answer 1

The answer is A. -2^3

Answer 2

A. -2^3 Because if you do 2^-3 that equals 1/8 but -2^3 is really -2*-2*-2 which equals -8.