Mathematics, 20.08.2021 17:00 fbr45508

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.
Yes Sam is correct but Reina is not. Sam s correct because Sam multiplied exponents correctly Exponents are multiplied not added. Reina Is is incorrect because she added exponents instead of multiplying exponents

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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 +...

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