Seudónimo Seudónimo

28-09-2016
Mathematics

contestada

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

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phillip1011 phillip1011

28-09-2016

when rounding they both end up as 40 so 40 plus 40 is 80 and that's ur answer

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Аноним Аноним

28-09-2016

42 rounds to 40
36 rounds to 40
40+40=80
The exact answer is 78

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