Evaluate
\frac{25\sqrt[3]{25}\times 84^{\frac{2}{3}}}{21}\approx 66.765725752
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100\sqrt[3]{\frac{50}{168}}
Multiply 3 and 56 to get 168.
100\sqrt[3]{\frac{25}{84}}
Reduce the fraction \frac{50}{168} to lowest terms by extracting and canceling out 2.
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