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How many four-letter arrangements can be made of the letters a c e f and h if there is repetition of letters?
Wiki User
∙ 10y ago
There are 5 letters: a c e f and h.
If the letters can be repeated, then there are five possibilities for each space in the four-letter arrangement. The number of arrangements then is:
5*5*5*5 = 54 = 625.
Wiki User
∙ 10y ago
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