Question

Express $\frac{1}{32}$ in exponential form

• A. $2^5$
• B. $2^{-5}$
• C. $2^{-4}$
• D. $2^4$

Answer 1

The correct option is B

$2^{-5}$

Given : $\frac{1}{32}$

$\Rightarrow$ $\frac{1}{2^5}$

= $2^{-5}$ [ $\frac{1}{a^m}=a^{-m}$]