Question
Evaluate $\sqrt{0.2809 }$
✓
Answer
The least number of 4 digit is 1000.
$\begin{array}{c|c}&0.53\\\hline5&\bar0.\overline{28}\ \overline{09}\\5&25\\\hline103&\ \ \ \ \ \ \ \ 3\ 09\\3&\ \ \ \ \ \ \ \ 3\ 09\\\hline&\ \ \ \ \ \ \ 0\end{array}$
$\therefore\sqrt{0.2809 }=0.53$
$\begin{array}{c|c}&0.53\\\hline5&\bar0.\overline{28}\ \overline{09}\\5&25\\\hline103&\ \ \ \ \ \ \ \ 3\ 09\\3&\ \ \ \ \ \ \ \ 3\ 09\\\hline&\ \ \ \ \ \ \ 0\end{array}$
$\therefore\sqrt{0.2809 }=0.53$
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