If the area of a square is $575$ square units,then the approximate value of its side is

Find the approximate value of $(401)^{\frac{1}{2}}$.

Find the approximate value of $(3.968)^{\frac{3}{2}}$.

There is an error of $\pm 0.04 \text{ cm}$ in the measurement of the diameter of a sphere. When the radius is $10 \text{ cm}$, the percentage error in the volume of the sphere is

Find the approximate value of $(26)^{\frac{1}{3}}$.

By considering $1^{\prime} = 0.0175$ radians,the approximate value of $\cot 45^{\circ} 2^{\prime}$ is