Question

Question 2 Multiple Choice Worth 4 points)

Answer 1

Answer:

$\large\boxed{5^{-5}=\dfrac{1}{5^5}}$

Step-by-step explanation:

$\text{Use}\ \dfrac{a^n}{a^m}=a^{n-m}\\\\\dfrac{5^3}{5^8}=5^{3-8}=5^{-5}\qquad\text{use}\ a^{-n}=\dfrac{1}{a^n}\\\\=\dfrac{1}{5^5}$

Based on the correction of the question in the comment.

$\dfrac{5^5}{5^8}=5^{5-8}=5^{-3}=\dfrac{1}{5^3}$ → A