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.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
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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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?
А.
80
720
C.
40
В.
D.
144
19. How many numbers are odd?
A.
80
C.
86
В.
72
D.
10
20. How many numbers begin and end with an even number?
A.
54
C.
48
В.
28
D.
36
Transcribed Image Text: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? А. 80 720 C. 40 В. D. 144 19. How many numbers are odd? A. 80 C. 86 В. 72 D. 10 20. How many numbers begin and end with an even number? A. 54 C. 48 В. 28 D. 36
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