SOLUTION: How many ways can 3 students be assigned a seat in a classroom if there are 11 seats in a row? a.)14 b.)990 c.)39,916,800 d.)33

SOLUTION: How many ways can 3 students be assigned a seat in a classroom if there are 11 seats in a row? a.)14 b.)990 c.)39,916,800 d.)33

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Question 357334: How many ways can 3 students be assigned a seat in a classroom if there are 11 seats in a row?
a.)14
b.)990
c.)39,916,800
d.)33
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
Permutation, arrangement is important.
nPr=n!/(n-r)!
11P3
=11!/(11-3)!
11!/8!
=(11*10*9*8!)/8!
=11*10*9
=990
.
Ed
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