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271+425 use rounding or compatible numbers to estimate the sum
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271+425 use rounding or compatible numbers to estimate the sum

User Tyriek
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271 rounded is 300, and 425 rounded is 400, so you could estimate the sum by adding 300 and 400, which equals 700.
User VFreguglia
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Use rounding or compatible numbers to estimate the sum 271 + 425
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222 + 203 = 425 - estimate by rounding or using compatible numbers
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