Question

Which expression is equivalent to (5^3)−2?

A 1
-
5^3
B -1/ 5•5•5•5•5•5

C 5^3

D 1/5•5•5•5•5•5

Answer 1

D 1/5•5•5•5•5•5

Explanation:

(5^3)^−2

We know a^b^c = a^(b*c)

5^(3*-2)

5^(-6)

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

1/5^6

1/(5*5*5*5*5*5)