Determine which transposition errors the check digit of a
Chapter 4, Problem 27E(choose chapter or problem)
Determine which transposition errors the check digit of a UPC code finds.Some airline tickets have a 15-digil identification number a1a2…a15 where a15 is a check digit that equals a1a2…a14 mod 7.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer