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Help 11

 

In a 10 person race, how many different outcomes are there for first, second, and third place?

A.

1,000

 

B.

720

 

C.

120

 

D.

30

 Dec 12, 2018
 #1
avatar+98034 
+1

Any 10 can finish in 1st place .... any of the remining 9 can finish second..... any of the remaining 8 can finish third....

 

So.....the Fundamental Counting Principle gives us

 

10 x 9 x 8   =  720

 

cool cool cool

 Dec 12, 2018

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