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Permutations and Combinations Compared

Order is important when picking r at a time from a group of n:  nPr = n!/ (n-r)!

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Permutations and Combinations Flashcards
Student Contributed
These flashcards help you study important terms and vocabulary from Permutations, Permutation Problems, Permutations with Repetition, Combinations, and Combination Problems.
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