Find the Logarithm Using the Change-Of-Base Formula $\log _ { 7.1 } 4.5$

Find the logarithm using the change-of-base formula.
- $\log _ { 7.1 } 4.5$

A) $0.6338$
B) $1.3032$
C) $0.7673$
D) $0.6532$