17. Determine whether the check digit of the ISBN-10 for this textbook (the seventh edition of Discrete Mathemat- ics 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 dig- its identify the money order; x11 is a check digit that satisfies X11 = x1 + x2 + · · ·+ x10 mod 9.
17. Determine whether the check digit of the ISBN-10 for this textbook (the seventh edition of Discrete Mathemat- ics 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 dig- its identify the money order; x11 is a check digit that satisfies X11 = x1 + x2 + · · ·+ x10 mod 9.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 22T
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Question
ISBN 978-0-07-338309-5
![17. Determine whether the check digit of the ISBN-10 for
this textbook (the seventh edition of Discrete Mathemat-
ics 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 dig-
its identify the money order; x11 is a check digit that satisfies
X11 = x1 + x2 + ·
+x10 mod 9.
..](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbea0901b-9b71-43dc-90d5-d9e10ed3de89%2F3868a7eb-3474-42c2-bead-40b39569d7f8%2Fnc1ujy_processed.png&w=3840&q=75)
Transcribed Image Text:17. Determine whether the check digit of the ISBN-10 for
this textbook (the seventh edition of Discrete Mathemat-
ics 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 dig-
its identify the money order; x11 is a check digit that satisfies
X11 = x1 + x2 + ·
+x10 mod 9.
..
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