A science museum has a spherical model of the earth with a diameter of 8.5 m. What is the volume of the model? Use 3.14 for and round your answer to the nearest whole number. Show your work.
Vol sphere = (4/3) (3.14) ( diameter / 2)^3 = (4/3) (3.14) (8.5 / 2 )^3 = 321 m^3
+5 
