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OpenStudy (anonymous):
10(2^x) =640, what is the value of x?
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OpenStudy (anonymous):
2^x = 64 x = 6
OpenStudy (anonymous):
thanks
OpenStudy (anonymous):
and also could you help me with one more
OpenStudy (anonymous):
\[27^{x} = 1/9\] what is the value of x?
OpenStudy (anonymous):
-2/3 = x
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OpenStudy (anonymous):
Press good answer if my answer is correct
OpenStudy (anonymous):
hmm.. i'm not so sure, about that one so could explain
OpenStudy (anonymous):
Log (1/9) / log 27 = -2/3
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