Mathematics, 18.12.2020 03:00 ssteitzsophiee223
Is the following a valid UPC number? If not what is the value that should be the "check digit"?
442578105204
a. yes, the number is valid
b. no, the "check digit " d should be 2
c. no, the "check digit" d should be 5
d. no, the "check digit" d should be 1
Answers: 1
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Is the following a valid UPC number? If not what is the value that should be the "check digit"?
442...
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