Question

I need help please :(

Answer 1

Answer:

$5^{-3} = \dfrac{1}{125}$

Step-by-step explanation:

Rule of negative exponents:

$a^{-n} = \dfrac{1}{a^n}$

This problem:

$5^{-3} = \dfrac{1}{5^3} = \dfrac{1}{5 \cdot 5 \cdot 5} = \dfrac{1}{125}$

Answer 2

Answer:

$\boxed{\frac{1}{125}}$

Step-by-step explanation:

$5^{-3}$

Apply rule:

$\displaystyle a^{-b}=\frac{1}{a^b}$

$\displaystyle 5^{-3}=\frac{1}{5^3}= \frac{1}{125}$