д) √3^2⋅2^8/5^2

д) $$\sqrt{\frac{3^2 \cdot 2^8}{5^2}} = \frac{\sqrt{3^2} \cdot \sqrt{2^8}}{\sqrt{5^2}} = \frac{3 \cdot 2^4}{5} = \frac{3 \cdot 16}{5} = \frac{48}{5}$$

Ответ: 48/5