Problem

A U.S. postal money order identification number consists of 10 digits and a check digit....

A U.S. postal money order identification number consists of 10 digits and a check digit. The check digit is the remainder when the 10 digits of the number are added and the sum is divided by 9.

a. Calculate the check digit for the money order identification number 2448350176.

b. Will all single-digit errors be detected? Explain why or why not.

c. Will all adjacent transposition errors be detected? Explain why or why not.

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