Question

How many 4 letter permutations can be formed from the letters in the word fructose using factorial notation?

Answer 1

Explanation:

Number of different 4 letter words formed from the 8 letters (all different) of the word FRUCTOSE is given by

N = P(8, 4) = 8! / 4! = 8*7*6*5 = 1680 when repetition is not allowed

N = 8^4 = 4096 when repetition is allowed.

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