2. What is the number of k-digit strings one can form over an n-element alphabet if (a) there are no restrictions? (b) repetition of elements is not allowed? (c) repetition of elements is not allowed and k = n?
2. What is the number of k-digit strings one can form over an n-element alphabet if (a) there are no restrictions? (b) repetition of elements is not allowed? (c) repetition of elements is not allowed and k = n?
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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![2. What is the number of k-digit strings one can form over an n-element alphabet if
(a) there are no restrictions?
(b) repetition of elements is not allowed?
(c) repetition of elements is not allowed and k = n?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa5ea8dc3-9812-419a-a20e-59637a068d91%2F0ed11237-58a6-443f-844c-44bf07ee8eaa%2Fencifwo_processed.png&w=3840&q=75)
Transcribed Image Text:2. What is the number of k-digit strings one can form over an n-element alphabet if
(a) there are no restrictions?
(b) repetition of elements is not allowed?
(c) repetition of elements is not allowed and k = n?
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