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Show that there are transpositions of two digits that are

Discrete Mathematics and Its Applications | 7th Edition | ISBN: 9780073383095 | Authors: Kenneth Rosen ISBN: 9780073383095 37

Solution for problem 44E Chapter 4.SE

Discrete Mathematics and Its Applications | 7th Edition

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Discrete Mathematics and Its Applications | 7th Edition | ISBN: 9780073383095 | Authors: Kenneth Rosen

Discrete Mathematics and Its Applications | 7th Edition

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Problem 44E

Show that there are transpositions of two digits that are not detected by an ISBN-13.A routing transit number (RTN) is a bank code used in the United States which appears on the bottom of checks. The most common form of an RTN has nine digits, where the last digit is a check digit. If d1d2…d9 is a valid RoTN. the congruence 3(d1 + d4 + d7) +7(d2 + d5 + d8) + (d3 + d6 + d9) = 0 (mod 10) must hold.

Step-by-Step Solution:

Solution:Step 1:In this problem, we have to show that there are transpositions of two digits that are not detected by an ISBN-13

Step 2 of 3

Chapter 4.SE, Problem 44E is Solved
Step 3 of 3

Textbook: Discrete Mathematics and Its Applications
Edition: 7
Author: Kenneth Rosen
ISBN: 9780073383095

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Show that there are transpositions of two digits that are