Answer
$37$
Work Step by Step
In part (a.) we computed that 36 incorrect codes will open the padlock.
Of course, the correct code will open the padlock too.
Therefore overall $36+1=37$ codes will open a programmed padlock.
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
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 427: 55b
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