Question:
Evaluate:
$\sqrt{\frac{121}{256}}$
Solution:
$\sqrt{\frac{121}{256}}=\frac{\sqrt{121}}{\sqrt{256}}$
Using division method:
$\sqrt{121}=11$
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$\therefore \sqrt{\frac{121}{256}}=\frac{\sqrt{121}}{\sqrt{256}}=\frac{11}{16}$