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a) codes that can be formed b) codes where the number 1 appears at least once c) codes composed of distinct numbers d) codes where at least two numbers are identical

a) codes that can be formed b) codes where the number 1 appears at least once c) codes composed of distinct numbers d) codes where at least two numbers are identical

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The digital code of a building composed of a letter taken from the set {A, B, C} followed by three numbers (distinct or not) taken from the set {1, 2, 3, 4, 5, 6, 7}. Find the number of: a) codes that can be formed b) codes where the number 1 appears at least once c) codes composed of distinct numbers d) codes where at least two numbers are identical
Transcribed Image Text:The digital code of a building composed of a letter taken from the set {A, B, C} followed by three numbers (distinct or not) taken from the set {1, 2, 3, 4, 5, 6, 7}. Find the number of: a) codes that can be formed b) codes where the number 1 appears at least once c) codes composed of distinct numbers d) codes where at least two numbers are identical
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