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Rounding to the nearest hundredth is more accurate.
65 - 9 = 56
54+86
It is the accuracy in the estimate of the constant or the effect of rounding.
By rounding each of the numbers involved.
You can calculate 3444 times 670 without rounding or you can estimate it WITH rounding. But you cannot estimate it without rounding.
An estimate is an educated guess based on prior knowledge. Rounding off is knowing the exact value but rounding it to the nearest whole number.
Rounding to the nearest hundredth is more accurate.
By Rounding It.
rounding
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.
The number of s.f or rounding off
2000
By rounding off.
3000
65 - 9 = 56
54+86