Loyola Marymount University
Department of Mathematics
Single Subject Matter Program
Standards of Quality and Effectiveness
Helen Hawley, Subject Matter Program Consultant
CTC Credentialing Commission
Discrete Math problems
Problem 21, page 311
How many strings of three decimal digits?
a) do not contain the same digit three times?
b) begin with an odd digit?
c) have exactly three digits that are 9s?
a) The total number of strings of three deci
Updated 10 February 2008
CPI 200: Math Foundations of Informatics
Instructor: Dianne Hansford
School of Computing and Informatics
Arizona State University
Discrete Math Course Contents
We will use the discrete math webnotes developed by Prof. Shunichi Toi
Review Notes for Discrete Mathematics
11.1: Division and Euclidean Algorithm
Definition of divisibility: if a | b, then there exists and integer c such that b = ac.
For example, 4 | 16 and 6 | 42.
The division algorithms says that when you divide an integ