Question

(64)^1/3 X (128)^2/7=

Answer 1

\[\large
64 = 2^6 \\ \large
128 = 2^7 \\ \large
(64)^{1/3} * (128)^{2/7} = (2^6)^{1/3} * (2^7)^{2/7} =
2^2 * 2^2 = 2^{2+2} = 2^4 = 16
\]

Answer 2

ooooooooooooh okay. thank you