Seudónimo Seudónimo

25-09-2017
Mathematics

contestada

Reina and Sam are multiplying (8^4)^5 (7^3)^9.

Reina's Work: (8^4)^5 (7^3)^9 = 8^4 + 5^7^3 + 9 = 8^97^12
Sam's Work: (8^4)^5 (7^3)^9 = (8^4)⋅^57^3⋅^9 = 8^207^27

I need help as soon as possible please.

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choixongdong choixongdong

25-09-2017

correct answer is Sam's work
(8^4)^5 = 8^(4*5) = 8^20
(7^3)^9 = 7^(3*9) = 7^27

answer
Sam's Work: (8^4)^5 (7^3)^9 = (8^4)⋅^5 7^3⋅^9 = 8^20 7^27

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