Simplify the numerical expression. $$2 ^ { 7 } 2 ^ { - 4 }$$
A)2,048
B) $\frac { 1 } { 16 }$
C)8
D) $- \frac { 1 } { 16 }$
E)16

Name: Simplify the numerical expression. \[2 ^ { 7 } 2 ^ { - 4 }\] A)2,048 B) $\frac { 1 } { 16 }$ C)8 D) $- \frac { 1 } { 16 }$ E)16
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Question

Quizplus · Accepted Answer

When we have the same base raised to different exponents, we can simplify by adding the exponents. 
$$2 ^ { 7 } 2 ^ { - 4 } = 2^{7-4} = 2^3 = 8$$

Simplify the Numerical Expression 272−42 ^ { 7 } 2 ^ { - 4 }272−4

Simplify the Numerical Expression $2 ^ { 7 } 2 ^ { - 4 }$