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find the lowest common multiple of 30,40 and 70?

-|-8|- |-11-8|

  • math -

    30 = 3x10
    40 = 4x10
    70 = 7x10
    So LCM = 3x4x7x10 = 840

    -|-8|- |-11-8|
    = -(8) - (19)
    = - 27

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