Question

A jade necklace is made up of 100 spherical jade beads. Each bead has a diameter of 7 mm. What is the total amount of jade, in cubic millimetres?

Answer 1

Use this formula, find the volume of 1 bead.

V=4/3πr^3

Multiply the volume of 1 bead by 100 to find the total amount of jade.

Answer 2

ooooh no wonder i used the sa formula! thank you