Question

The value of $\frac{7^5}{7^2}$ is _____ .

• A. $7^5$
• B. $7^3$
• C. $7^4$
• D. $7^2$

Answer 1

The correct option is B $7^3$

Using Laws of exponents,
$\frac{a^m}{a^n}=a^{m-n}$, if m>n
$\Rightarrow$$\frac{7^5}{7^2}=7^{5-2}=7^3$