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Mathematics, 30.09.2019 20:00 aarionna8

Reina and sam are multiplying (84)5 (73)9.

reina's work sam's work
(84)5 (73)9 = 84 + 573 + 9 = 89712 reina's
(84)5 (73)9 = 84⋅573⋅9 = 820727 sam's

is either of them correct? explain your reasoning.

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Reina and sam are multiplying (84)5 (73)9.

reina's work sam's work
(84)5 (73)9 = 8...

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