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How many cases of measles would you predict were reported last year

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In the laws of mathematics, especially in rounding off digits, you should take note of the digit following that number no matter how long or short a number is. If the numberis preceded by numbers between 0-4, the number does not change. However if its is preceded by numbers between 5-9, add one to the number. For example, 145698. If it is rounded off to the nearest hundreds, since 9 is the number after 6, add 1 to 6 and it becomes 145700. If it is rounded off to the nearest hundred thousands, since 4 is the number after 1, you do not add, the number stays the same and it becomes 100000
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