Yes.
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64 if repetition is allowed, 6 otherwise.64 if repetition is allowed, 6 otherwise.64 if repetition is allowed, 6 otherwise.64 if repetition is allowed, 6 otherwise.
If repetition is allowed . . . . . 343 If repetition is not allowed . . . . . 210
64 if repetition is allowed.24 if repetition is not allowed.
If no repetition, 6! ie 720; if repetition allowed, 66 ie 46656.
A permutation is an ordered arrangement of a set of objects.