It is finding the average value (or cost) of a number of things and then rounding the answer to the nearest dollar.
156 mm
That would depend on what you were rounding it to. If rounding to the nearest whole number, then it does not need rounding. If rounding to the nearest ten, it would be 420. If rounding to the nearest hundred, it would be 400.
That depends on what there are 90 of. 90 cents rounds to one dollar. 90 dollars stays where it is.
This depends if you're rounding to the nearest tenth or the nearest whole number. If you're rounding to the nearest tenth, then it would be 10.2. If you're rounding to the nearest whole number, then it would be 10.
$6.87826087 rounded to the nearest dollar is $7.00
15.00
$26.00
It is finding the average value (or cost) of a number of things and then rounding the answer to the nearest dollar.
Rounding does away with unnecessary detail and thereby makes calculations easier.
46.629999999999995
Estimating is a guess that should be close to the answer. Round is rounding a number up to the nearest ten, hundred. Example $345.89 round to the nearest dollar is $345.
156 mm
The nearest cent is the same as the nearest hundredth since 1 cent is 1/100 of a dollar. The nearest hundredth. 2.336 rounds to 2.34
Only if you are rounding up to the nearest dollar. Normal rounding rules would make it 40.
Yes they can. Consider the values $9.51 & $10.34 - to the nearest dollar, they would be $10. This would also be the result of rounding to the nearest $10.
-- If rounding to the nearest 300, then 749 is. -- If rounding to the nearest 200, then 699 is. -- If rounding to the nearest 150, then 674 is. -- If rounding to the nearest hundred, then 649 is. -- If rounding to the nearest twenty, then 609 is. -- If rounding to the nearest ten, then 604 is.