The bank requires you to set a 4-digit pin for you debit card. How many different pinsare there, if you can't repeat digits and you can only use 1, 3, 5, 7, and 9?4Ⓒ 151120

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Answered: The bank requires you to set a 4-digit…

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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The bank requires you to set a 4-digit pin for you debit card. How many different pins are there, if you can't repeat digits and you can only use 1, 3, 5, 7, and 9? in 1 120