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42+36= use rounding or compatible numbers to estimate the sum
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2 votes
42+36= use rounding or compatible numbers to estimate the sum

User Deepseapanda
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2 Answers

5 votes
42 rounds to 40
36 rounds to 40
40+40=80
The exact answer is 78
User Ptg
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8.4k points
7 votes
when rounding they both end up as 40 so 40 plus 40 is 80 and that's ur answer
User Will Madison
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