Solved

Solve the Equation $2 ^ { - x } = \frac { 1 } { 2 }$

Question 202

Multiple Choice

Solve the equation. $2 ^ { - x } = \frac { 1 } { 2 }$

A) x = 2
B) x = 4
C) x = $-$ 1
D) x = $-$ 3
E) x = 1

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