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9-71.

Suppose Shau wants to produce a 3‑D printed model of a tree. One cubic centimeter of printing material weighs grams. Shau plans to make a tree cm tall with a cylindrical trunk and spherical top. The diameter of the treetop is to be cm. The trunk can support a treetop weighing no more than grams. Can Shau print out a solid treetop? Why or why not? If not, what do you suggest he do? Explain completely.

To compute the volume of a sphere, use the formula: