Permutations, Combinations, Factorial

You may review it by watching these videos Permutations and Combinations and Factorial and/or reading section 1.3 of the textbook by Pat Morin

Self-Testing Quizzes

1. \( \binom{8}{2} \) =_______

28 36 10 1

2. \( \binom{5}{0} \) = ______

0 1 5 120

3. Find the total possible arrangements for 7 adults and 3 children seated in a row if the 3 children must be together.

10! 8!3! 7!3! 7!

4. How many different arrangements are possible when arranging all the letters of the word SEPTEMBER?

9! 6!3! \( \frac{9!}{3!} \) \( \frac{6!}{3!} \)

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