Answer:
a = -3
Explanation:
5^a = 1/125
The fraction 1/125 can be written as a power with base 5.
5^a = 5^(-3)
Cancel the same bases on both sides.
a = -3.
1/125 = 1 / 5^3
= 5^-3
5^a = 5^-3
so a = -3.
5.9m questions
7.7m answers