Write the Exponential Equation as an Equation Involving a Logarithm $$7 ^ { 3 } = 343$$

Multiple Choice

Write the exponential equation as an equation involving a logarithm.
- $$7 ^ { 3 } = 343$$

A) $\log _ { 7 } 3 = 343$
B) $\log _ { 7 } 343 = 3$
C) $\log _ { 343 } 7 = 3$
D) $\log _ { 3 } 343 = 7$