Question

find the square root of the (digit in picture) correct to 3 decimal places

Answer 1

The above expression will change to

= 25 / 12

$= \sqrt{25 \div 12}$

$= 5 \div 2 \sqrt{3}$

Now put
$\sqrt{3} = 1.732$

= 5 / 2×1.732

= 1.443


Thanks