Evaluate
\frac{15^{\frac{2}{3}}}{15}\approx 0.405480133
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\frac{1}{15^{\frac{1}{3}}}
Rewrite 15 as 15^{\frac{2}{3}}\times 15^{\frac{1}{3}}. Cancel out 15^{\frac{2}{3}} in both numerator and denominator.
\frac{1}{\sqrt[3]{15}}
Use the rules of exponents to simplify the expression.
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