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The english alphabet contains 21 consonants and five vowels. how many strings of six letters, each of which is drawn from the english alphabet, contain (a) exactly one vowel?
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The english alphabet contains 21 consonants and five vowels. how many strings of six letters, each of which is drawn from the english alphabet, contain (a) exactly one vowel?

User HaveAGuess
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1 Answer

2 votes
Number of strings =
21^5(5) = 21 x 21 x 21 x 21 x 21 x 5 = 20 420 505

Answer: 20 420 505
User Ganjeii
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