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400 + 500 = 900

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

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

900


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


What is the best estimate for the sum of 4523 and 1234?

The best estimate for the sum of 4523 and 1234 can be found by rounding each number to the nearest hundred. Rounding 4523 to the nearest hundred gives 4500, and rounding 1234 to the nearest hundred gives 1200. Adding these rounded numbers gives an estimated sum of 5700. This estimate provides a quick approximation of the actual sum while simplifying the calculation.


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

In whole numbers, rounding to the nearest ten is better. And in decimals, rounding to the nearest hundreth is more accurate.


What is the baseline numbers for 368 rounding to the nearest hundred?

Zero


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

800 - 300 = 500


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 586 and 317 by rounding both numbers to the nearest hundred before adding?

586 and 317 to the nearest hundreds are 600 and 300. then, add 300 and 600 and you will get 900 for your answer


What is rounding numbers of 1267?

Rounded to the nearest tens it is 1270 Rounded to the nearest hundred it is 1300 Rounded to the nearest thousand it is 1000


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.


What is the smallest number that rounds to 100 when you round to the nearest 100?

Oh, dude, you're hitting me with some math riddles, huh? Well, technically speaking, the smallest number that rounds to 100 when you round to the nearest 100 is 50. Anything 50 or above rounds up to 100, so if you're looking for the tiniest guy that makes the cut, it's good ol' 50.


Give a situation where you round to the nearest ten and not the nearest hundred or thousand?

When you're rounding numbers less than fifty.