Question

I need help please :(

Answer 1

`\boxed{(1)/(125)}`

Explanation:

`5^(-3)`

Apply rule:

`\displaystyle a^(-b)=(1)/(a^b)`

`\displaystyle 5^(-3)=(1)/(5^3)= (1)/(125)`

Answer 2

`5^(-3) = (1)/(125)`

Explanation:

Rule of negative exponents:

`a^(-n) = (1)/(a^n)`

This problem:

`5^(-3) = (1)/(5^3) = (1)/(5 \cdot 5 \cdot 5) = (1)/(125)`