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CountryGirl14 CountryGirl14
  • 24-03-2016
  • Mathematics
Answered

What is the value of the expression 3^-4?


A.

–81


B.

–12


C.

– 1/81

D1/81

Verified Answer :

TSO
TSO TSO
  • 24-03-2016

\(3^{-4} = \frac{1}{3^4} =\frac{1}{3\times 3\times 3 \times 3} =\frac{1}{9 \times 9} =\boxed{\bf{\frac{1}{81}}}\)

Your answer is D. 1/81

Answer Link

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