Find the Common Ratio of the Geometric Sequence $\frac{1}{8 \pi}, \frac{1}{(8 \pi)^{2}}, \frac{1}{(8 \pi)^{3}}, \frac{1}{(8 \pi)^{4}},....$

Multiple Choice

Find the common ratio of the geometric sequence. $\frac{1}{8 \pi}, \frac{1}{(8 \pi) ^{2}}, \frac{1}{(8 \pi) ^{3}}, \frac{1}{(8 \pi) ^{4}},....$

A) $\frac{1}{\pi^{2}}$
B) $\frac{1}{\pi}$
C) $\frac{1}{8 \pi}$
D) $\frac{1}{8}$
E) $\frac { 1 } { ( 8 \pi ) ^ { 2 } }$