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What numbers round up to 80?
75, 76, 77, 78 and 79
What is ballpark estimate of 27 plus 56 is it 80 or is it 90?
90. You round both numbers up.
What numbers can be rounded to the nearest ten to make 800?
Half of 10 is 5.So numbers in the range 800 ± 5 round to 800 to the nearest 10, except that numbers exactly half way round up. Thus all numbers greater than or equal to 800 - 5 round up to 800 and all numbers less than 800 + 5 round down to 800,That is all numbers greater than or equal to 795 and less than 805 will round to 800 to the nearest 10.
How do you solve a clustering problem in math?
When you round up all the numbers to a number that they are all close to and multiply how many numbers there are by the rounded number.
Why do we sometime round up or down numbers?
Sometimes you round up or round down numbers to get close to the correct answer so that you can make sure that your answer is right. If your answer is not close to the rounding down of the numbers you are using then you need to look it over and do it again.
