To round off 3999 to the nearest hundred, you would look at the digit in the tens place, which is 9. Since 9 is greater than or equal to 5, you would round the hundreds place up by 1. Therefore, 3999 rounded to the nearest hundred is 4000.
It is 300 when rounded to the nearest hundred
916 rounded to the nearest hundred is 900
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It is already rounded to the nearest hundred thousandths. Rounded to the nearest thousands would be 87.381.
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678 is rounded nearest hundred is 700
10900
500
3300