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Kelvzy · Answer 1 · 2015-03-07T21:14:28+0000

If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up (+1).

If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).

$243.8\underline{7}5\approx243.9\\\\243.87\underline{5}\approx243.88\\\\2\underline{4}3.875\approx200$

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