Problems 18, 19, 20: A number consisting of three different digits is to be formed using the integers 2, 3, 4, 6, 7, 8. 18. How many of the numbers are greater than 700? 80 720 C. 40 В. D. 144 19. How many numbers are odd? A. 80 C. 86 D. 10 В. 72 20. How many numbers begin and end with an even number? A. 54 C. 48 36 28 D. AB. B.
Problems 18, 19, 20: A number consisting of three different digits is to be formed using the integers 2, 3, 4, 6, 7, 8. 18. How many of the numbers are greater than 700? 80 720 C. 40 В. D. 144 19. How many numbers are odd? A. 80 C. 86 D. 10 В. 72 20. How many numbers begin and end with an even number? A. 54 C. 48 36 28 D. AB. B.
Chapter8: Sequences, Series,and Probability
Section8.6: Counting Principles
Problem 8ECP: In how many different ways can two letters be chosen from the letters A, B, C, D, E, F, and G? (The...
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