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Why is rounding not a good way to estimate 132 divided by 6?

1 Answer

13 votes

[ Dividing with rounding ]

132 -> 130

6 -> 10

130 / 10 = 13

[ Dividing without rounding ]

132 / 6 = 22

[ Answer ]

When you divide by rounding and estimating, the answer is almost two times smaller than it should be.

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