Question

NEED HELP ANSWER ASAP PLZ 1.the diameter of a sphere is 10.8 . calculate the spheres volume. use 3.14 for pie and round your answer to the nearest tenth.

2.a manufacturer makes decorative Globes out of silver in the shape of a sphere. suppose each sphere has a radius of 1.5 cm. if silver is 8$ per cm^3 how much will it cost to make one solid sphere?.3.14 as pie and do not round answer​

Answer 1

1. 659.25

Explanation:

1. V =
`(4r^(3) )/(3)`*pi

radius = diameter * 0.5 = 10.8 * 0.5 = 5.4

(4*5.4*5.4*5.4*3.14)/3 = 659.25