If \(log_9x= 1.5\),find x

  • A 36
  • B 27
  • C 24.5
  • D 13.5
waec 2005mathematics

The correct answer is B. 27

\(log_9x= 1.5\Rightarrow x = 9^{1.5} = 9^{\frac{3}{2}}=(3^2)^{\frac{3}{2}}=3^3=27\)

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