In the UPC symbol encoding numbers 7 9 5 5 2 2 9 6 5 1 0 has a CSD value equal to ___

Fill in the blank(s) with the appropriate word(s).


CSD = [210 – 3?(odd-indexed digits) –?(even-indexed digits)]mod(10) = [210 – 3(7+5+2+9+5+0) –(9+5+2+6+1)]mod(10) = [210 – 3(28) – 23)]mod(10) =[103]mod(10) = 3

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