Respuesta :

I will not tell you the exact answer, but plug the radius(2.1) into the sphere equation and then use the mass formula to caculate the mass(you already have the density)

pcai26

Answer:

109.8972π or around 345.2 grams

Step-by-step explanation:

find volume

(4/3)π(2.1)^3=12.348π cm cubed

12.348π*8.9=109.8972π