Mathematics, 14.09.2019 04:30, zulaykaalex
consider strings of length 10 which contain only letters from the set {a, e, i, o, u} and digits from {1, 3, 5, 7, 9}. suppose repitition of letters is not allowed.
how many different strings are there?
how many different strings are there if the letters, i. e. a, e, i, o, u and the digits, i. e. 1,3, 5, 7, 9 must alternate?
how many different strings are there if all five letters must be adjacent in each string?
Answers: 1
Social Studies, 19.09.2019 19:20, derpmuffin47
Answers: 2
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