Entrance codes at AWC require four numbers, which may be 0 thru 9 and may be repeated. How many key codes are possible?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Entrance codes at AWC require four numbers, which may be 0 thru 9 and may be repeated. How many
key codes are possible?
Transcribed Image Text:Entrance codes at AWC require four numbers, which may be 0 thru 9 and may be repeated. How many key codes are possible?
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