Evaluate using the change-of-base formula. Round to four decimal places.
-$\log _{8.5} 137$
A) 0.4350
B) 2.2990
C) 16.1176
D) 2.1367

Question

Quizplus · Accepted Answer

The change-of-base formula allows us to convert $\log _{8.5} 137$ into a form that can be calculated using a standard calculator: $\log _{8.5} 137 = \frac{\log 137}{\log 8.5}$. Using this formula and a calculator, the result is approximately 2.2990.

Evaluate Using the Change-Of-Base Formula log⁡8.5137\log _{8.5} 137log8.5​137 A) 04350 B) 2

Evaluate Using the Change-Of-Base Formula $\log _{8.5} 137$ A) 04350
B) 2