3 grams
10 grams
300cm is the best estimate for a basketball hoop
divide by pi (3.14159) 11.93
A best estimate for the mass of a key is 26 grams.
The weight of a standard letter is typically around 5 grams.
0.2 grams
I think 20 grams
1 kg
The best estimate for a pair of sneakers is 1 kilogram.
The best estimate of a fork would be its average weight, which can vary depending on the material it is made of. For example, a typical stainless steel fork weighs around 50 grams, while a plastic fork may weigh closer to 5 grams. To get the most accurate estimate, you would need to weigh a sample of forks and calculate the average weight.
The weight of a basketball depends on it's size. The official size 7 basketball weight approximately 566.99 - 623.69 grams. The women's' size 6 is a little smaller. It weighs approximately 510.29 - 566.99 grams :) I hope this helped!!