Rounded to the nearest ton, that's 4 tons. The smallest weight rounded to 4 tons is 3.5 tons.
2.85
Round to the nearest pound.
One hundred thousand is a number and numbers have no weight.
800
Rounded to the nearest ton, that's 4 tons. The smallest weight rounded to 4 tons is 3.5 tons.
2.85
2.85
2.85
2.85
2.85
The answer is 1 pound.
Fanny 2.849
35.77
10
You cannot. A gram is a measure of mass, not of weight.
The answer depends on the extent to which the number is being rounded.