February 21, 2017

Homework Help: algebra

Posted by harry on Sunday, April 22, 2007 at 9:29pm.

How do you solve 1/16=64^(5x-4)?

thank you

Notice that 16 and 64 are both powers of 2.

2^-4 = 2^6(5x-4)

take log base 2 of each side..

solve for x

wow, okay thanks!!!

so its -.93?

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