Evaluate using the change-of-base formula. Round to four decimal places.
-$\log 38$
A) 0.5283
B) 3.7856
C) -1.8928
D) 1.8928

Name: Evaluate using the change-of-base formula. Round to four decimal places. -$\log 38$ A) 0.5283 B) 3.7856 C) -1.8928 D) 1.8928
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Question

Quizplus · Accepted Answer

The change-of-base formula states that $\log_b a = \frac{\log_c a}{\log_c b}$. Using base 10, $\log 38 = \frac{\log_{10} 38}{\log_{10} 10} = \log_{10} 38$. Calculating this gives approximately 1.8928.

Evaluate Using the Change-Of-Base Formula log⁡38\log 38log38 A) 05283 B) 3

Evaluate Using the Change-Of-Base Formula $\log 38$ A) 05283
B) 3