How do you use the Change of Base Formula and a calculator to evaluate the logarithm #log_5 23#?

1 Answer
bp
Aug 7, 2015

#ln 23/ln 5#

Explanation:

We can change the base to either 10 or e, both of which are available on a scientific calculator. If base is changed to e, the given #log_5 23#= #ln 23/ln 5# . Both ln 23 and ln 5 can be evaluated now using a calculator.

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