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Rounded to the nearest hundred, 21 is approximately equal to 0.
Oh, dude, rounding 21 to the nearest hundred? That's like asking me to find a unicorn in a haystack. But hey, technically speaking, when you round 21 to the nearest hundred, it stays as 21. It's like trying to make a penny into a dollar - just not gonna happen.
21 rounded to the nearest hundred is zero. -- The even hundred above 21 is 100. -- The even hundred below 21 is zero. -- 21 is closer to the lower one than it is to the higher one.
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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The answer depends on the degree of rounding. To the nearest whole number, it is 21. To the nearest hundred (or larger), it is 0.
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678 is rounded nearest hundred is 700