Rounding does away with unnecessary detail and thereby makes calculations easier.
$18.23 rounding to the nearest dollar results in $18
$6.87826087 rounded to the nearest dollar is $7.00
$26.00
15.00
It is finding the average value (or cost) of a number of things and then rounding the answer to the nearest dollar.
Well, darling, if we round 219.49, 279.97, and 234.95 to the nearest dollar, we get 219, 280, and 235, respectively. Adding those rounded numbers together gives you a grand total of 734. So, go ahead and treat yourself with that extra dollar you saved from rounding!
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.