emiseel19ovz0wv emiseel19ovz0wv

23-09-2017
Mathematics

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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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trejonwinterowqihl trejonwinterowqihl

23-09-2017

No because brackets represent multiplication, so (84)5(73)9 is actually 84.5.73.9

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musiclover10045 musiclover10045

23-09-2017

it should be 84 x 5 x 73 x 9

which = 275940

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