Evaluate using the change-of-base formula. Round to four decimal places.
-$\log _ { 7.4 } 5.0$
A) $0.6757$
B) $0.8041$
C) $1.2436$
D) $0.6990$

Name: Evaluate using the change-of-base formula. Round to four decimal places. -$\log _ { 7.4 } 5.0$ A) $0.6757$ B) $0.8041$ C) $1.2436$ D) $0.6990$
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Question

Quizplus · Accepted Answer

Using the change-of-base formula:

$$\log _ { 7.4 } 5.0 = \frac{\log 5.0}{\log 7.4} \approx 0.8041$$

Rounded to four decimal places, the answer is B) 0.8041.

Evaluate Using the Change-Of-Base Formula log⁡7.45.0\log _ { 7.4 } 5.0log7.4​5.0

Evaluate Using the Change-Of-Base Formula $\log _ { 7.4 } 5.0$