Number of Significant Figures in Result of Square Root/Examples/Root of 38.7

Example of Use of Number of Significant Figures in Result of Square Root

 * $\sqrt {38 \cdotp 7} = 6\cdotp 22$

Proof
We have that:
 * the number of significant figures in $38 \cdotp 7$ is $3$

So from Number of Significant Figures in Result of Square Root:


 * the number of significant figures in $\sqrt {38 \cdotp 7}$ can be no more than $3$.