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24 August, 13:46

Use rounding or compatible numbers to estimate the sum of 790-112

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  1. 24 August, 15:52
    0
    If the number ends in 0, 1, 2, 3 or 4, we are going to round down.

    If the number ends in 5, 6, 7, 8 or 9, we are going to round up.

    790 would stay the same as a good base number, 112 would become 110. This makes it so both numbers end in 0 and will even out the estimated sum.

    790 - 110 = 680

    680 would be a good estimated sum.
  2. 24 August, 16:47
    0
    It is 678 hope that's what you meedsed
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