jaylynfrancis9022 jaylynfrancis9022
  • 08-05-2018
  • Mathematics
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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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Аноним Аноним
  • 08-05-2018
Number of strings = [tex]21^5(5)[/tex] = 21 x 21 x 21 x 21 x 21 x 5 = 20 420 505

Answer:  20 420 505
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