Question

Find the square root of the following decimal fraction :
$0.09$

Answer 1

$\sqrt{0.09}=\sqrt{\frac{9}{100}}$

$=\sqrt{\frac{3^2}{{10}^2}}$

$=\sqrt{{\left(\frac{3}{10}\right)}^2}$

$=\frac{3}{10}$

$=0.3$