You can put this solution on YOUR website! Solve for x:
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Log(x^16) = 4
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Use the log equivalent of exponents:
16 * Log(x) = 4
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Divide both sides by 16
log(x) = 4/16
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Log(x) = .25
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Find the anti-log of .25
x = 1.77828
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Check on a good calc, enter log(1.77828^16), will equal 4.000...