You can put this solution on YOUR website! solve log(y) 16 = -4
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y^-4 = 16
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Raise both sides to the -1/4 power to solve for "y":
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[y^-4]^(-1/4) = 16^(-1/4)
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y = (1/16)^(1/4)
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y = 1/2
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Cheers,
Stan H.