Answer:
[tex]256[/tex]
Step-by-step explanation:
[tex](8^{2/3} )^{4}[/tex]
[tex]8^{\frac{8}{3} }[/tex]
[tex](2^{3} )^{\frac{8}{3} }[/tex] --- the 3's cancel out
[tex]2^{8}[/tex]
