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ValeryZipay ValeryZipay
  • 11-06-2014
  • Mathematics
Answered

If 3^x = 54, then which of the following must be true?

A1 < x < 2
B2 < x < 3
C3 < x < 4
D4 < x < 5
E5 < x

Verified Answer :

Anonymous Anonymous
  • 14-06-2014

\(3^x=54\\\\27 < 54 < 81\\\\27=3^3;\ 81=3^4\\\\3^3 < 54 < 3^4\\\\Answer:3 < x < 4\)

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