Mathematics, 22.10.2019 11:00 corriganpelton
Trying to understand the estimate sum of 87+34 i know the answer is 121 and we rounded to 120 but how do i round the 87 and 34
i put 87=90 and 34=30 which will make 120 still but i thought anything higher than 5 will round up and anything under 5 rounds down
Answers: 1
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Trying to understand the estimate sum of 87+34 i know the answer is 121 and we rounded to 120 but ho...
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