Question

A.Write the expression (-64)^2/3 in radical notation.
B. Evaluate the radical expression.
A. Write the expression in radical notation. Do not evaluate.
(-64)^2/3=

Answer 1

$a^\frac{n}{m}=\sqrt[m]{a^n}\\---------\\\\(-64)^\frac{2}{3}=\sqrt[3]{(-64)^2}=\sqrt[3]{-64}\cdot\sqrt[3]{-64}=-4\cdot(-4)=16$