Discussion
\((0.04)^{-1.5}\) = ?
Answer: B
\((0.04)^{-1.5} = (\frac{4}{100})^{-1.5} \)
\(= (\frac{1}{25})^{-\frac{3}{2}} \)
\(= (25)^{\frac{3}{2}} \)
\(= (5^{2})^{\frac{3}{2}} \)
\(= (5)^{2\times \frac{3}{2}} \)
\(= 5^{3} = 125\)
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