Finite Math and Applied Calculus (6th Edition)

Published by Brooks Cole
ISBN 10: 1133607705
ISBN 13: 978-1-13360-770-0

Chapter 6 - Section 6.3 - Decision Algorithms: The Addition and Multiplication Principles - Exercises - Page 425: 42a

Answer

Yes.

Work Step by Step

If each digit can be any number from 0 to 9, there are 10 possibilities for each digit, so the total number of different Credit Card Numbers is $10^9=1,000,000,000$ Since $1,000,000,000\gt 10,000,000$ there are enough account numbers for 10 million credit card holders.
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