How many ordered sequences are possible that contain six objects chosen from seven?

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bekiffen32 · Accepted Answer

We can use permutation in order to solve the given problem.    A permutation of n item taken γ at a time is an ordered list of γ item chosen from n.    P(n,r)=n!(n−r)!    Now, choosing 6 objects from 7.    P(7,6)=7!(7−6)!=7≠5040

How many ordered sequences are possible that contain six objects chosen from seven?

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