Solve for x. $2 ^ { 3 x } = 128$
A) $\frac { 128 } { 3 }$
B) $- \frac { 64 } { 3 }$
C) $\frac { 7 } { 3 }$
D) $\frac { 3 } { 7 }$
E)2

Name: Solve for x. $2 ^ { 3 x } = 128$ A) $\frac { 128 } { 3 }$ B) $- \frac { 64 } { 3 }$ C) $\frac { 7 } { 3 }$ D) $\frac { 3 } { 7 }$ E)2
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Question

Quizplus · Accepted Answer

$2^{3x} = 128$ can be simplified to $2^{3x} = 2^7$ because $128 = 2^7$. Therefore, $3x = 7$, and solving for $x$ gives $x = \frac{7}{3}$.

Solve for X 23x=1282 ^ { 3 x } = 12823x=128

Solve for X $2 ^ { 3 x } = 128$