The Density of Diamond,a Form of Carbon,is 3520 Kg/m³

The density of diamond,a form of carbon,is 3520 kg/m³.If the atomic mass of carbon is 12.011 u,how many carbon atoms are there in a solid diamond sphere with a radius of 0.0125 m?

A) 1.15 × 10²⁷ atoms
B) 5.76 × 10²⁶ atoms
C) 2.88 × 10²⁵ atoms
D) 1.44 × 10²⁴ atoms
E) 7.21 × 10²³ atoms