Simplify the following expression. $$\frac { 1 } { 2 ^ { - 2 } }$$
A) $- 4$
B) $\frac { 1 } { 4 }$
C) $- \frac { 1 } { 4 }$
D) $4$
E)1

Name: Simplify the following expression. \[\frac { 1 } { 2 ^ { - 2 } }\] A) $- 4$ B) $\frac { 1 } { 4 }$ C) $- \frac { 1 } { 4 }$ D) $4$ E)1
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Question

Quizplus · Accepted Answer

Using the property $a^{-b}=\frac{1}{a^b}$, we have $\frac{1}{2^{-2}}=2^2=4$. Thus, the answer is $\boxed{	extbf{(D) }4}$.

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Simplify the Following Expression $\frac { 1 } { 2 ^ { - 2 } }$