SOLUTION: in how many ways can 10 people seated on the bench if only four seats are available?

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Question 726962: in how many ways can 10 people seated on the bench if only four seats are available?

Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
TEN ITEMS (n) TAKEN 4 (r) AT A TIME. (nPr)
n!/(n-r)!
10*9*8*7=5,040 ANS.