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- December 5th 2008, 12:06 PM #1

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## Need help with Log please

Hi I am having a hard time understanding logs in class can someone help?

1.

I am to find the exact value for this

How would I start

2^log base2 7

Am i to transform this somehow first?

2.Another one is logbase6 6^74 for this one I got a 74 it is right but why? its juse the exponent of the 6

- December 5th 2008, 12:41 PM #2

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- December 5th 2008, 12:48 PM #3

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Just some more properties of logarithms. See here: Logarithmic Properties

Enjoy.