The radius of a sphere is measured as 9 cm with an error of 0·03 cm, then find the approximate error in calculating its volume.

If the radius of a sphere is measured as 7 m with an error of 0.02 m, then find the approximate error in calculating its volume.

If the radius of a sphere is measured as 9 m with an error of 0.03 m, then find the approximate error in calculating its surface area.

The radius of a spherical diamond is measured as 6 cm with an error of 0.04 cm. Obtain the approximate error in calculating its volume. If the cost of 1cm^(3) diamond is Rs 1600, what is the loss to the buyer of the diamond?

The volume of a sphere of radius 10.5 cm is

The radius of a spherical soap bubble is increasing at the rate of 0.5 cm per second. Find the rate of change of its volume, when the radius is 10 cm.