Use the change-of-base and a calculator to approximate the logarithm to 4 decimal places.
-$\log _ { 9 } 0.6$
A) $- 0.2325$
B) $- 4.3013$
C) $- 0.0568$
D) $- 1.1224$

Name: Use the change-of-base and a calculator to approximate the logarithm to 4 decimal places. -$\log _ { 9 } 0.6$ A) $- 0.2325$ B) $- 4.3013$ C) $- 0.0568$ D) $- 1.1224$
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Question

Quizplus · Accepted Answer

Using the change-of-base formula, $\log _ { 9 } 0.6 = \frac{\log _ { 10 } 0.6}{\log _ { 10 } 9}$. Calculating this using a calculator gives approximately -0.2325.

Use the Change-Of-Base and a Calculator to Approximate the Logarithm log⁡90.6\log _ { 9 } 0.6log9​0.6

Use the Change-Of-Base and a Calculator to Approximate the Logarithm $\log _ { 9 } 0.6$