Question 748629
The volume of a sphere is:
4/3 pi r^3.(Same as your formula,
but 4/3 and pi have been multiplied 
together)
4/3 pi r^3 = 80
    pi r^3 = (3x80)/4
    pi r^3 = 60
       r^3 = 60/pi
         r = cube root of 19.1
         r = 2.673 cm.