Solve For $x : 5 ^ { - x / 2 } = 0.0052$

Multiple Choice

Solve for $x : 5 ^ { - x / 2 } = 0.0052$ . Round to 3 decimal places.

A) $6.535$
B) $10.518$
C) $13.737$
D) $- 13.737$
E) $- 3.268$