about 144 ping pong balls are in a gross.
about 10cm2
0 - ping pong balls are solid in color with no dots
2
There are 16 ounces in a pound, so 16 / 0.110 = 145.5 ping-pong balls would weigh 1 pound. Rounded down, this means that you would need 145 ping-pong balls to equal 1 pound in weight.
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Sure it can. But you'll need a lot a lot of ping pong balls- I believe the ratio is about 1 pound per 15 ping pong balls... then you can lift just about anything.
No they do not.
17.
100 million
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a number .