Homework Help: Logarithms

Posted by Chris on Sunday, December 17, 2006 at 6:36pm.

e^x+2=13

solve by logarithm

Take the ln of both sides.
x*ln e = ln 13.
You can do this on your calculator. If you don't know the value of e, go to www.google.com and type in e and search. The value is about 2.7.

or type this in the google search window
ln(13) / ln(e)

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