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# Determine whether the check digit of the ISBN-10 for this

ISBN: 9780073383095 37

## Solution for problem 17E Chapter 4.5

Discrete Mathematics and Its Applications | 7th Edition

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Problem 17E

Determine whether the check digit of the ISBN-10 for this textbook (the seventh edition of Discrete Mathematics and its Applications) was computed correctly by the publisher.

The United States Postal Service (USPS) sells money orders identified by an 11-digit number x1x2....x11.The first ten digits identify the money order x11 is a check digit that satisfies x11= x1+x2+....+x11mod 9.

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10/17/2016 MEDIEVAL EUROPE These notes cover the basics of Medieval Europe covered in class and any examples that were solved. 10/17/2016 Basics  During this time period mathematics and the sciences were in low points of advancement.  Churches were the primary educators and had different focuses.  There was one great mathematician...

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