If \(log_9x= 1.5\),find x

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Mathematics WAEC 2005

If \(log_9x= 1.5\),find x

  • 36
  • 27 checkmark
  • 24.5
  • 13.5

The correct answer is: B

Explanation

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