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January 26, 2015

January 26, 2015

Posted by **curious student** on Sunday, January 23, 2011 at 9:23pm.

what is "x" in this situation? please help!

- math -
**helper**, Sunday, January 23, 2011 at 11:30pm(1/2)^x = 1152

rewrite as,

2^(-x) = 1152

Take the logarithm to the base 2 of both sides:

-x log 2 = log 1152

-x = (log(1152))/(log(2))

Divide both sides by -1:

x = -(log(1152))/(log(2))

x = - 3.061452/0.3010299

x = -10.1699

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