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Student volunteers take visitors on a tour of 7 campus buildings. How many different tours are possible?

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Answer:

7! = 5040

Explanation:

Given that Number of campus buildings = 7

To obtain the number of different possible tours, obtain the factorial of 7

7! = 7 * 6 * 5 * 4 * 3 * 2 * 1

7! = 5040

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