Solve the Equation $$\log _ { 2 } x = - 3$$

Multiple Choice

Solve the equation.
- $$\log _ { 2 } x = - 3$$

A) $\{ - 1 \}$
B) $\left\{ \frac { 1 } { 9 } \right\}$
C) $\{ - 6 \}$
D) $\left\{ \frac { 1 } { 8 } \right\}$