Homework Help: math

Posted by kelly on Monday, January 7, 2013 at 11:09pm.

use the properties of logarthms to find the exact value of the each expression

lower 7loglower 76

math - Steve, Tuesday, January 8, 2013 at 5:15am
If you mean 7^(log_7(6)), the answer is 6.

By definition of the log, log_7(6) is the power of seven needed to produce 6.

That is, if 7^x = 6, x = log_7(6)

or, using subscripts

7^log₇6 = 6

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