How many 4-digit number can be formed out of 1,2,3,4,5,7 and 8 if: a. There is no restriction. b. Each digit can be used more than once. c. The last digit must be odd with no repetition. d. The last digit must be odd with no repetition. e. It must start with 3 or 4 with no repetition. f. It can not start with 3 with no repetition. g. It must have both odd and even digits with repetition.
How many 4-digit number can be formed out of 1,2,3,4,5,7 and 8 if: a. There is no restriction. b. Each digit can be used more than once. c. The last digit must be odd with no repetition. d. The last digit must be odd with no repetition. e. It must start with 3 or 4 with no repetition. f. It can not start with 3 with no repetition. g. It must have both odd and even digits with repetition.
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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Transcribed Image Text:How many 4-digit number can be formed out of 1,2,3,4,5,7 and 8 if:
a. There is no restriction.
b. Each digit can be used more than once.
c. The last digit must be odd with no repetition.
d. The last digit must be odd with no repetition.
e. It must start with 3 or 4 with no repetition.
f. It can not start with 3 with no repetition.
g.
It must have both odd and even digits with repetition.
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