SOLUTION: Sue has 10 pictures but only has space in her apartment to hang 4 of them on a wall. The number of different arrangements of four pictures from a selection of ten pictures is
A.21
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Question 867465: Sue has 10 pictures but only has space in her apartment to hang 4 of them on a wall. The number of different arrangements of four pictures from a selection of ten pictures is
A.210
B.151,200
C.24
D.5,040
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
You want 
where 
is the number of combinations of 
things taken 
at a time and is calculated by !})
. You can do your own arithmetic.
John
My calculator said it, I believe it, that settles it
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