Question:
Evaluate:
$\sqrt{\frac{16}{81}}$
Solution:
$\sqrt{\frac{16}{81}}=\frac{\sqrt{16}}{\sqrt{81}}$
$\sqrt{16}=4$ and $\sqrt{81}=9$
$\therefore \sqrt{\frac{16}{81}}=\frac{\sqrt{16}}{\sqrt{81}}=\frac{4}{9}$
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