   Chapter 8, Problem 37RE ### 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.5126-6993-4231-2956

To determine

Whether the given credit card number is valid.

Explanation

Given:

Credit card number 5126-6993-4231-2956

Calculation:

5126-6993-4231-2956

From right to left, multiply the digits by 2 which are in the even place.

10 1 4 6 12 9 18 3 8 2 6 1 4 9 10 6

Now, add all the digits.

(1+0) +(1+ 4+ +6+ (1+2)+ 9+ (1+8)+ 3+ 8+ 2+ 6+ 1+ 4+ 9 +(1+0) +6=73

7

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