Suppose that a money order identification number and check digitof 21720421168 is erroneously copied as 27750421168. Will thecheck digit detect the error?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 22T
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Suppose that a money order identification number and check digit
of 21720421168 is erroneously copied as 27750421168. Will the
check digit detect the error?

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