## Algebra 1: Common Core (15th Edition)

We are given: $(8x)^{\frac{4}{3}}$ $=(2^3x)^{\frac{4}{3}}$ $=(2^3)^{\frac{4}{3}}x^{\frac{4}{3}}$ $=2^4\sqrt[3] x^4$ $=16\sqrt[3] x^4$ Thus, the correct option is A.