One digit in each of these identification numbers of a postal money order is smudged. Can you recover the smudged digit, indicated by a Q. in each of these numbers?

a) 49321200688

b) 850Q9103858

c) 27Q941007734

d) 666870032Q1

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ISBN: 9780073383095
37

Discrete Mathematics and Its Applications | 7th Edition

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Problem 21E

One digit in each of these identification numbers of a postal money order is smudged. Can you recover the smudged digit, indicated by a Q. in each of these numbers?

a) 49321200688

b) 850Q9103858

c) 27Q941007734

d) 666870032Q1

Step-by-Step Solution:
##### Textbook: Discrete Mathematics and Its Applications

##### Edition: 7

##### Author: Kenneth Rosen

##### ISBN: 9780073383095

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One digit in each of these identification numbers of a

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