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sisay sisay
  • 23-08-2015
  • Mathematics
Answered

Post your question here (Keep it simple and clear to get the best answers) Given that log4x=-3,find x. a,1/81 b. 1/64 c.64 d.81

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konrad509
konrad509 konrad509
  • 23-08-2015

I assume 4 is the base.

\(\log_4x=-3\\ 4^{-3}=x\\ x=\dfrac{1}{4^3}\\ x=\dfrac{1}{64}\)

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