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28 February, 12:00

Reina and Sam are multiplying (84) 5 (73) 9. Reina's Work Sam's Work (84) 5 (73) 9 = 84 + 573 + 9 = 89712 (84) 5 (73) 9 = 84⋅573⋅9 = 820727 Is either of them correct? Explain your reasoning.

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  1. 28 February, 13:40
    0
    it should be 84 x 5 x 73 x 9

    which = 275940
  2. 28 February, 14:24
    0
    No because brackets represent multiplication, so (84) 5 (73) 9 is actually 84.5.73.9
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