Friday, January 27, 2012

How do I check if a UPC or ISBN code is incorrect?

UPC [046956182015] How is this incorrect and how do I find the correct UPC assuming that that the incorrect digit is the 6 in the thirs entry?





ISBN-10[0449508356] How is this also incorrect and assuming that the incorrect entry was the 5 in the 5th entry what is the correct ISBN?|||It is the permutation question





by r

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