Question

Simplify the following using law of exponents.
$\frac{5^7}{5^2}$

• A. $5^5$
• B. $5^{20}$
• C. $5^{50}$
• D. $5^{15}$

Answer 1

Answer: (A)

$5^5$

we know,

$\frac{a^m}{a^n}=a^{m-n}$

so,

$\frac{5^7}{5^2}=5^{7-2}$

$=5^5$