the result of (16^5/8+8^1/2)^2 is

[tex]( {16}^{ \frac{5}{8} } + {8}^{ \frac{1}{2} } ) ^{2} \\ = (( {2}^{4} )^{ \frac{5}{8} } + {8}^{ \frac{1}{2} } ) ^{2} \\ = ({2}^{ \frac{5}{2} } + {8}^{ \frac{1}{2} } )^{2} \\ = {2}^{5} + 8 \\ = = 32 + 8 \\ = 40[/tex]