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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.
When rounding to the nearest whatever, half the number round up and half round down. → the numbers that round to 170000 to the nearest 10000 are 170000 ± (10000 ÷ 2) = 170000 ± 5000 However, if a number is exactly half way, the convention is to round them up, so the numbers in the range: 170000 - 5000 ≤ number < 170000 + 5000 → 165000 ≤ number < 175000 will round to 170000 to the nearest 10000 → smallest number is 165000 → biggest [whole] number is 175000 - 1 = 174999
attributed to Winston Churchill, British orator and former Prime Minister.
Look at the thousandths place. It is a 4. Now look at the ten thousandths place. It is a 6. The 6 is more than half the way to 10; so round the 4 up to a 5. Answer: 2.035
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.