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Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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2 Money orders. U.S. Postal Money Orders have a 10-digit serial number ånd a check digit. The check digit is the number between 0 and 6 that repre- sents what the 10-digit serial number is equivalent to using a mod 7 clock. This check digit is the same as the remainder when the serial number is divided by 7. What is the check digit for a money order with serial numnber 6830910275?
Transcribed Image Text:2 Money orders. U.S. Postal Money Orders have a 10-digit serial number ånd a check digit. The check digit is the number between 0 and 6 that repre- sents what the 10-digit serial number is equivalent to using a mod 7 clock. This check digit is the same as the remainder when the serial number is divided by 7. What is the check digit for a money order with serial numnber 6830910275?
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