Question 513655: Ten cars can park in ten parking spaces.In how many ways can they park if only 1 car is allowed per space.Answers given:
(a)10^10
(b)10,9,8,7,6,5,4,3,2
(c)2^10
(d)10
(e)none of these
Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Ten cars can park in ten parking spaces.In how many ways can they park if only 1 car is allowed per space.Answers given:
(a)10^10
(b)10,9,8,7,6,5,4,3,2
(c)2^10
(d)10
(e)none of these
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1st car has 10 slots to choose from
2nd car has 9 slots to choose from
3rd car has 8 slots to choose from
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10th car has 1 slot to choose from
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Ans: # of ways they can park is 10! = 10*9*8*....*2*1
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Ans: b
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Cheers,
Stan H.
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