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How many ways can you line up 5 different books?

What is the formula?

Help please.

 May 5, 2015

Best Answer 

 #1
avatar+4711 
+10

5!=120

.
 May 5, 2015
 #1
avatar+4711 
+10
Best Answer

5!=120

MathsGod1 May 5, 2015
 #2
avatar+130462 
+5

Very nice, MG1......!!!!

 

  

 May 5, 2015
 #3
avatar+118696 
0

Yes, very good MG, but I am wondering if you can explain why this is so?

 May 6, 2015

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