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

1 Answer
Gió
Jun 20, 2015

#log_2(12)=3.585#

Explanation:

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#

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