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Evaluating Fractional and Decimal Indices

Evaluating Fractional and Decimal Indices

Secondary 3

Evaluate each of the following without the use of a calculator.

  1. \({{27}^{\frac{2}{3}}}\)
  1. \({{32}^{-\frac{3}{5}}}\)
  1. \({{100}^{1.5}}\)

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Answer:(i) \(9\). (ii) \(\frac18\). (iii) \(1000\).

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