Answer:
7,912.8 inch³ of aluminum is needed to make 70 metal balls
Step-by-step explanation:
r = 3 inches and π = 3.14
single aluminum ball, 113.04 inch³ of aluminum
113.04 inch³ of aluminum is used for 1 ball, then we multiply 70 with this value to determine the aluminum needed for 70 such balls.
