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OpenStudy (anonymous):
2^x=1/4
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OpenStudy (anonymous):
x=-2
OpenStudy (anonymous):
because \[2^{-2}=\frac{1}{2^2}=\frac{1}{4}\]
OpenStudy (anonymous):
log2^x=log(1/4) xlog2=log(1/4) x=log(1/4)/log2 x=-2
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