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Show that an integer is divisible by 9 if and only if the

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

Solution for problem 13E 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 13E

Show that an integer is divisible by 9 if and only if the sum of its decimal digits is divisible by 9.

Step-by-Step Solution:

SolutionStep 1In this problem, we have to show that number is divisible by 9 if and only if the sum of its decimal digits is divisible by 9 where number be integers.

Step 2 of 3

Chapter 4.SE, Problem 13E is Solved
Step 3 of 3

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

The answer to “Show that an integer is divisible by 9 if and only if the sum of its decimal digits is divisible by 9.” is broken down into a number of easy to follow steps, and 22 words. This textbook survival guide was created for the textbook: Discrete Mathematics and Its Applications, edition: 7. Discrete Mathematics and Its Applications was written by and is associated to the ISBN: 9780073383095. The full step-by-step solution to problem: 13E from chapter: 4.SE was answered by , our top Math solution expert on 06/21/17, 07:45AM. This full solution covers the following key subjects: divisible, Integer, decimal, digits, its. This expansive textbook survival guide covers 101 chapters, and 4221 solutions. Since the solution to 13E from 4.SE chapter was answered, more than 262 students have viewed the full step-by-step answer.

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Show that an integer is divisible by 9 if and only if the