Solve the Exponential Equation $$3 ^ { 9 x } = 2.3$$

Multiple Choice

Solve the exponential equation. Express the solution set in terms of natural logarithms.
- $$3 ^ { 9 x } = 2.3$$

A) $\left\{ \frac { \ln 2.3 } { 9 \ln 3 } \right\}$
B) $\left\{ \frac { \ln 2.3 } { 3 \ln 9 } \right\}$
C) $\left\{ \frac { 9 \ln 2.3 } { \ln 3 } \right\}$
D) $\left\{ \frac { 2.3 \ln 9 } { \ln 3 } \right\}$