Use the change of base formula and a calculator to evaluate the logarithm. Round your answer to two decimal places.
-$$\log _ { 3 } 25$$
A)1.10
B)0.34
C)3.22
D)2.93

Question

Quizplus · Accepted Answer

The change of base formula states that $\log_b a = \frac{\log_c a}{\log_c b}$. Using base 10, $\log_{3} 25 = \frac{\log_{10} 25}{\log_{10} 3} \approx \frac{1.39794}{0.47712} \approx 2.93$.

Use the Change of Base Formula and a Calculator to Evaluate