How do you use the Change of Base Formula and a calculator to evaluate the logarithm $log_2 12$ ?

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Answer 1 · 2015-06-20T23:54:14

$log_2(12)=3.585$

You can convert your log into natural log, $ln$ (that can evaluated using a calculator) using the change of base as:
$log_ab=log_cb/log_ca$

$log_2(12)=ln(12)/ln(2)=3.585$

You can check the result by doing: $2^3.585=12$

How do you use the Change of Base Formula and a calculator to evaluate the logarithm log_2 12log_2 12?