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Do you round 1 half up or down?

Updated: 9/22/2023
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6y ago

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The standard is to round a half upwards.

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Q: Do you round 1 half up or down?
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Why do 1.4 and 0.75 both round to 1?

1.4 is less than half way to 2; so round down to 1. 0.75 is more than half way to 1; so round up to 1. Round to the closest number.


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When rounding to the nearest thousand (1000), half the numbers (1000 ÷ 2 = 500) round up, and the other half round down - except for those which are exactly half-way: they round up. Thus the largest number that will round to 27,000 to the nearest thousand must round down to it and is 27,000 + 500 - 1 = 27,499.


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Assuming you are dealing with whole numbers only: Half of the numbers round up and half round down. Half of ten thousand is five thousand. Therefore 400000 ± 5000 round to 400000 to the nearest 10000; except that numbers exactly half way round up, so the maximum is one less than this. → smallest to round [up] to 400000 is 400000 - 5000 = 395000 → largest to round [down] to 400000 is 400000 + 5000 - 1 = 404999


How do you round to the nearest whole number?

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Round number after decimal point up by 1 if number after it is 5 or above, and down 1 if it is 4 or lower. For example 4.23= 4.2 (Round down) 2.69= 2.7 (Round down)


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What does 45 round to?

it is 50.Cause 5 through 9 round up. 1 through 4 round down.