Find the check digits for each of these UPC codes:
1. Moving your mouse over the picture will show you the check digit. Clicking on will take you to a page showing the steps of how to find the check digit for that example. (Answers are also on the "show me" page).
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check digit |
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08748611661? |
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01116803004? |
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04878941860? |
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61266806369? |
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01258778013? |
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01800801167? |
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07166204012? |
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2. Do a check digit calculation mod 10 to decide which of these UPC codes is correct, and which has an error:
A. 0-72512-06868-7
B. 0-09252-45310-1
C. 1-24431-65100-2
D. 0-11676-10881-5
3. Missing digits in even places
Code |
missing digit
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0-?0735-00458-1 |
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1-?0584-17613-9 | ||
0-41?40-56400-3 |
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0-4154?-33111-7 |
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0-41540-5?401-0 |
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0-21200-665?2-6 |
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