800 - 300 = 500
An Estimate is basically a guess. Rounding is when you have an answer and you shorten the answer to a given number of digits. eg $27482 would round to $27500 to the nearest hundred dollars.
3
Rounding to the nearest hundredth is more accurate.
106 + 091 = 197 100 + 100 = 200 Answer: 3
rounding numbers is to nearest ten or hundred and compatible numbers are when you can do nearest 5
900
300000 and 1000
1086
Since both these numbers are integers, rounding to the nearest hundred thousandths will make no difference.
400 + 500 = 900
431-115
23800 and 32800 and if you want to add them together then you get 56600