Medium
Math and Logic
How many ping pong balls fill a 747?
Choose an answer
A.1 million
B.10 million
C.500,000
D.~4.2 million
Answer: ~4.2 million
Estimate the volume of a 747 (approx 1000 m^3) and the volume of a ping pong ball, then account for the 'packing fraction' of empty air space between balls.