Use common logarithms or natural logarithms and a calculator to evaluate to four decimal places
-$\log _ { 28 } 321$
A) $1.7320$
B) $0.5774$
C) $3.9537$
D) $1.0593$

Question

Quizplus · Accepted Answer

To evaluate $\log _ { 28 } 321$, we can use the change of base formula: $\log _ { 28 } 321 = \frac{\log 321}{\log 28}$ or $\log _ { 28 } 321 = \frac{\ln 321}{\ln 28}$. Using a calculator, this evaluates to approximately 1.7320.

Use Common Logarithms or Natural Logarithms and a Calculator to Evaluate