Question
$\sqrt{1.96}=$ _________.

Answer

$\sqrt{1.96}= \underline{1.4}$
Solution:
We have, $(12)^2$ $=\Big(\frac{12}{10}\Big)^3=\frac{12}{10}\times\frac{12}{10}\times\frac{12}{10}=\frac{1728}{1000}=1.728$

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