Question

Can you please help

Answer 1

`\frac{\sqrt[]{16}}{\sqrt[]{81}}=\text{ }\frac{(16)^{(1)/(2)}}{(81)^{(1)/(2)}}=\text{ }\frac{(4X4)(1)/(2)}{(9X9\text{ )}(1)/(2)}=\text{ }(4)/(9)\text{ so option A is the answer }`