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Question 1 of 5
1. Question
Question 1: The ! symbol in math is called a factorial. 5! means
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Question 2 of 5
2. Question
Question 2: An ordered arrangement of objects from a given set in which the order matters is called
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Question 3 of 5
3. Question
Question 3: Use the formula for permutations n!/(nr)! to find how many ways we can arrange 2 of the letters in the word “rhino”.
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Question 4 of 5
4. Question
Question 4: There are 15 racers in a contest. How many unique combinations of the top 3 finishers are there?
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Question 5 of 5
5. Question
Question 5: There are 2 positions open in a company and 25 candidates. The positions are CEO and Vice President. Assuming the 25 candidates could be hired for either position, how many possible outcomes of CEO and Vice President are there?
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