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300cm is the best estimate for a basketball hoop
2 grams
10 grams
3 grams
divide by pi (3.14159) 11.93
A best estimate for the mass of a key is 26 grams.
500
20 gram
0.2 grams
The best estimate of the mass of a single peach would be 150 grams.
I think 20 grams
1 kg