Use the Change-Of-Base and a Calculator to Approximate the Logarithm $$\log _ { 8 } \left( 7.32 \cdot 10 ^ { - 7 } \right)$$

Multiple Choice

Use the change-of-base and a calculator to approximate the logarithm to 4 decimal places.
- $$\log _ { 8 } \left( 7.32 \cdot 10 ^ { - 7 } \right)$$

A) $- 6.7939$
B) $- 6.1355$
C) $- 0.1472$
D) $- 1.7659$