There are 12 two letter arrangements of the letters in PARK.
There are 172 different arrangements.
Infinitely many. You could, for example, cut out images of the 8 letters and paste then on the wall facing you. Each letter can take infinitely many positions on that wall so you have infinitely many arrangements.
Assuming you don't repeat letters:* 7 options for the first letter * 6 options for the second letter * 5 options for the third letter * 4 options for the fourth letter (Multiply all of the above together.)
There are 6! = 720 different arrangements.
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There are 12 two letter arrangements of the letters in PARK.
There are 5!/2! = 60 arrangements.
i believe it is 120
There are 172 different arrangements.
6! = 6*5*4*3*2*1 = 720
181440
Infinitely many. You could, for example, cut out images of the 8 letters and paste then on the wall facing you. Each letter can take infinitely many positions on that wall so you have infinitely many arrangements.
Assuming you don't repeat letters:* 7 options for the first letter * 6 options for the second letter * 5 options for the third letter * 4 options for the fourth letter (Multiply all of the above together.)
64 different arrangements are possible.
6! = 6x5x4x3x2x1 = 720 arrangements
There are 6! = 720 different arrangements.