Question 16.19

19. Suppose the 10-digit ISBN 0-1750-3549-0 is reported incorrectly as 0-1750-3540-1. Which of the following statements is true?

  1. This error will not be detected by the check digit.
  2. While this particular error will be detected, the check digit does not detect all 2-digit errors in ISBNs.
  3. All 2-digit errors in a 10-digit ISBN are detectable by the check digit.

19.

b