Answer :
well i put it into my calculator and i got 16/25 as an answer which is 0.64 as a decimal
see comment below...
see comment below...
[tex]( \frac{64}{125} ) ^{ \frac{2}{3} } = \sqrt[3]{(\frac{64}{125}) ^{2} } = \sqrt[3]{ \frac{4096}{15625}} = \frac{16}{25} [/tex]