   Chapter 8.2, Problem 36ES Mathematical Excursions (MindTap C...

4th Edition
Richard N. Aufmann + 3 others
ISBN: 9781305965584

Solutions

Chapter
Section Mathematical Excursions (MindTap C...

4th Edition
Richard N. Aufmann + 3 others
ISBN: 9781305965584
Textbook Problem

Credit Card Numbers. Determine whether the given credit card number is a valid number.4896-4198-8760-1970

To determine

Determine whether the below credit card number is a valid number

4896419887601970

Explanation

Given: Credit card number as 4896419887601970

Calculation:

Given the credit card number as

4896419887601970

Step1: Reading from left right, highlight every other digit with the next to last digit, we get

4 8 9 6 4 1 9 8 8 7 6 0 1 9 7 0

Step2: Double the highlighted digits, we get

8 8 18 6 8 1 18 8 16 7 12 0 2 9 14 0

Step3: Add all the digits, treating two-digit numbers as two single digits, we get

8+8+(1+8)

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