How do you calculate #log_4 43# with a calculator?

1 Answer
Olivier B.
Nov 17, 2016

#ln(43)/ln(4)#

Explanation:

If your calculator doesn't have the #log_4# function, you should know that the definition of #log_n(x)# is:

#log_color(red)(n)(color(blue)(x))=ln(color(blue)(x))/ln(color(red)(n))#

note : #log_10# is often written just #log#

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