# How do you use the Change of Base Formula and a calculator to evaluate the logarithm log_3 10?

Aug 7, 2015

${\log}_{3} 10 = \log \frac{10}{\log} 3$ (If you have $\log$ on your calculator.)
${\log}_{3} 10 = \ln \frac{10}{\ln} 3$ (If you have $\ln$ on your calculator.)