Use the change-of-base formula to approximate the logarithm below. Round your answer to four decimal places.
A)-0.3365
B)-0.4854
C)-0.1682
D)0.8271
E)0.6099

Name: Use the change-of-base formula to approximate the logarithm below. Round your answer to four decimal places. A)-0.3365 B)-0.4854 C)-0.1682 D)0.8271 E)0.6099
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Question

Use the change-of-base formula to approximate the logarithm below. Round your answer to four decimal places. 
A)-0.3365 
B)-0.4854 
C)-0.1682 
D)0.8271 
E)0.6099

Quizplus · Accepted Answer

Using the change-of-base formula, $\log_2 9 \approx \frac{\ln 9}{\ln 2} \approx -0.4854$ (rounded to four decimal places). Therefore, the best choice is (B).

Use the Change-Of-Base Formula to Approximate the Logarithm Below