Question

5^3*5^-5
A 1/5^2
B -5^2
C 1/5
D 5^2

Answer 1

1/5^2

Explanation:

5^3*5^-5

When multiplying powers with the same base, we add the exponents

5 ^ ( 3+-5)

5^ -2

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

1/ 5^2