Write in Exponential Form (8^(2/3))^4

${(8^{\frac{2}{3}})}^{4}$

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$8^{\frac{2}{3} \cdot 4}$

Multiply $\frac{2}{3} \cdot 4$ .

Combine $\frac{2}{3}$ and $4$ .

$8^{\frac{2 \cdot 4}{3}}$

Multiply $2$ by $4$ .

$8^{\frac{8}{3}}$