Use common logarithms or natural logarithms and a calculator to evaluate to four decimal places
-$\log _ { 7 } 18$
A) $1.4854$
B) $0.6732$
C) $2.1004$
D) $0.4102$

Question

Quizplus · Accepted Answer

To evaluate $\log_7 18$, we can use the change of base formula: $\log_7 18 = \frac{\log 18}{\log 7}$ or $\log_7 18 = \frac{\ln 18}{\ln 7}$. Using a calculator to compute either expression gives approximately 1.4854.

Use Common Logarithms or Natural Logarithms and a Calculator to Evaluate