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OpenStudy (anonymous):
Why is the name "combination lock" mathematically confusing?
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OpenStudy (accessdenied):
Do you know the mathematical definition of a combination? :)
OpenStudy (anonymous):
A combination is the choice of r things from a set of n things without replacement and where order does not matter.
OpenStudy (accessdenied):
Yes. If you have a combination lock, does it matter if my lock combination is "4839" or "8943"? Like, would you just be able to enter any of those numbers in any order to open it?
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