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14 November, 14:34

Reina and Sam are multiplying (84) 5 (73) 9 Is either of them correct? Explain your reasoning.

Reina's Work: (84) 5 (73) 9 = 84 + 573 + 9 = 89712

Sam's Work: (84) 5 (73) 9 = 84⋅573⋅9 = 820727

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  1. 14 November, 17:18
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    They are both wrong because 84*5 equals 420 times 657 equals 275940 and84 plus 573 plus 9 is 666
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