Question

resultado de √324÷√81 e √324÷81

Answer 1

1- 18/9=2
2-18/81=0,2

Answer 2

.
$\sqrt{324} \div \sqrt{81} = \sqrt{4} =2 \\ \\ \\ \sqrt{324} \div81= \\ \\ \sqrt{2^2.3^4} \div81= \\ \\ 2.3^2\div81= \\ \\ 18\div81= \frac{18}{81} = \frac{2}{9} \\ \\ \frac{2}{9} =0,222...$