Question

Evaluate: $\sqrt{\frac{625}{729}}$

Answer 1

= $\sqrt{\frac{\overline{5\times 5}\times \overline{5\times 5}}{\overline{3\times 3}\times \overline{3\times 3}\times \overline{3\times 3}}}=\frac{5\times 5}{3\times 3\times 3}$
= $\frac{25}{27}$