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Q: What is the difference between the exact sum of 106 and 91 and an estimate of the sum by rounding to the nearest hundred?
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What is the difference between estimate and 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.


What is the difference between the exact of sum of 106 and 091 and estimate of the sum by rounding to the nearest hundred?

106 + 091 = 197 100 + 100 = 200 Answer: 3


What is the difference between a compatible number and rounding numbers?

rounding numbers is to nearest ten or hundred and compatible numbers are when you can do nearest 5


Could someone estimate the difference of 794 and 312 by rounding both numbers to the nearest hundred before subtracting?

800 - 300 = 500


Does and estimate rounding by the nearest ten more accurate than rounding by the nearest hundred?

Rounding to the nearest hundredth is more accurate.


Estimate the sum of 586 and 317 by rounding numbers to the nearest hundred before adding?

900


Estimate the difference to the nearest hundred of 725-361?

1086


How do you estimate the product by rounding 288722 to the nearest hundred thousand and 1421 to the nearest thousand?

300000 and 1000


Why is 58 rounded to a hundred?

58 is between zero and one hundred. If you are rounding to the nearest hundred, 58 is closer to one hundred than it is to zero.


What is 7646000 and 21079000 rounded to the nearest hundred thousandth?

Since both these numbers are integers, rounding to the nearest hundred thousandths will make no difference.


Which is better rounding off to nearest ten or rounding off to nearest hundred?

There is no universal "better". Rounding off is a trade-off between reducing the accuracy and simplifying calculations. Also, if there are other numbers in an addition that are rounded to the nearest hundred, there is no point in rounding your number to the nearest ten.


Estimate the sum of 398 and 487 by rounding both numbers to the nearest hundred before adding?

400 + 500 = 900