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Mathematics 17 Online
OpenStudy (anonymous):

If 8^x=4, what does 8^-3x equal?

OpenStudy (tkhunny):

Have you considered exercising the exponents? \(8^{x} = 4\) \(\left(8^{x}\right)^{-3} = (4)^{-3}\) Are we getting anywhere?

OpenStudy (jango_in_dtown):

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