Question

Evaluate $\sqrt{2.8}$ correct up to two places of decimal.

Answer 1

Using long division method:


$$\begin{gathered} \therefore \sqrt{2.8}=1.673 \\ \Rightarrow \sqrt{2.8}=1.67(\mathrm{correct}\mathrm{up}\mathrm{to}\mathrm{two}\mathrm{decimal}\mathrm{places}) \end{gathered}$$