Question

Find the square root of the following decimal number:
7.29

• A. 1.2
• B. 2
• C. 2.7
• D. 2.3

Answer 1

The correct option is C

2.7

We use long division method to find the square root of 7.29. For that, we will group 2 numbers from right to left and then proceed with the division.

$\begin{array}{cc}& 2.7\\ 2& \overline{7}\cdot \overline{29}\\ & -4\\ 47& 329\\ & -329\\ & 0\end{array}$

Hence, the square root of 7.29 is 2.7