Pregunta
Homework 7.2
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Question 10
How many ways can 10 DVDs be arranged on a shelf?
Score:
Question 10
How many ways can 10 DVDs be arranged on a shelf?
Ask by Gough Maxwell. in the United States
Mar 30,2025
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There are 3,628,800 ways to arrange 10 DVDs on a shelf.
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Bonus Knowledge
Did you know that arranging 10 DVDs on a shelf can be thought of as a classic permutation problem in mathematics? Since the DVDs are all distinct, you can use the factorial function to find the answer. Specifically, the number of ways to arrange 10 DVDs is calculated as
(10 factorial), which equals
different arrangements!
Think of it this way: when you pick the first DVD to place on the shelf, you have 10 options. Once that one’s chosen, you have 9 left for the next spot, and it continues down to just 1 option for the last DVD. This cascading choice leads to that massive number of arrangements, truly a fun leap into the world of combinatorics!

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