Question:
Using square root table, find the square root
25725
Solution:
Using the table to find $\sqrt{3}$ and $\sqrt{7}$
$\sqrt{25725}=\sqrt{3 \times 5 \times 5 \times 7 \times 7 \times 7}$
$=\sqrt{3} \times 5 \times 7 \times \sqrt{7}$
$=1.732 \times 5 \times 7 \times 2.646$
$=160.41$
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