1. The sum of any two even numbers is an even number. 2. If a number with three or more digits is divisible by 4, then the number formed by the last two digits of the number is divisible by 4. 3. The product of an odd integer and an even integer is always an even number. 4. The cube of an odd integer is always an odd number.
1. The sum of any two even numbers is an even number. 2. If a number with three or more digits is divisible by 4, then the number formed by the last two digits of the number is divisible by 4. 3. The product of an odd integer and an even integer is always an even number. 4. The cube of an odd integer is always an odd number.
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 36SE: The number of 5-element subsets from a set containing n elements is equal to the number of 6-element...
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