Consider all 5-letter "words" made from the letters a through h. (Recall, words are just strings of letters, not necessarily actual English words.) (a) How many of these words are there in total? (b) How many of these words contain no repeated letters? (c) How many of these words start with the sub-word "aha"? (d) How many of those words oither start with "aha" or ond with "hab" or both?

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Consider all 5-letter "words" made from the letters a through h. (Recall, words are just strings of letters, not
necessarily actual English words.)
(a) How many of these words are there in total?
(b) How many of these words contain no repeated letters?
(c) How many of these words start with the sub-word "aha"?
(d) How many of these words either start with "aha" or end with "bah" or both?
Transcribed Image Text:Consider all 5-letter "words" made from the letters a through h. (Recall, words are just strings of letters, not necessarily actual English words.) (a) How many of these words are there in total? (b) How many of these words contain no repeated letters? (c) How many of these words start with the sub-word "aha"? (d) How many of these words either start with "aha" or end with "bah" or both?
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