Using square root table, find the square root

Question:

Using square root table, find the square root
1312

Solution:

Using the table to find $\sqrt{2}$ and $\sqrt{41}$

$\sqrt{1312}=\sqrt{2 \times 2 \times 2 \times 2 \times 2 \times 41}$

$=2 \times 2 \sqrt{2} \times \sqrt{41}$

$=2 \times 2 \times 1.414 \times 6.4031$

$=36.222$

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