(2g⁵)³ / (4h²)³ Since power ³ is outside parenthesis, you should put the power to each expression inside parenthesis as below 2³(g⁵)³ / 4³(h²)³ in the multiplication of exponents, you add the indices 8(g⁵⁺³) / 64(h²⁺³) 8g⁸ / 64h⁵ it simplifies into 1g⁸ / 8h⁵ Your answer is D) g⁸ / 8h⁵