Question

Find the square root of the following decimal numbers:
51.84

Answer 1

51.84

$\begin{array}{cc}& 7.2\\ 7& \overline{51}\dot{}\overline{84}\\ & -49\\ 142& 284\\ & -284\\ & 0\end{array}$

Hence, the square root of 51.84 is 7.2.

[ 3 marks ]