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Mathematics, 03.09.2019 20:20 LolaSalem

Explain why 2-81273-05213-8 is an invalid upc number.
step 1: verify the last digit of the code. (10 points)
step 2: identify what the last digit should be in order to make it a valid code.

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Explain why 2-81273-05213-8 is an invalid upc number.
step 1: verify the last digit of the c...
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