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How many “words” can be formed from a collection of n different letters, if each letter must be used exactly once? they don't have to be real words they can just be combinations

 Apr 29, 2021
edited by Guest  Apr 29, 2021
 #1
avatar+389 
+1

a lot

 Apr 29, 2021
 #2
avatar+121002 
+1

n!   "words"

 

For  example

 

EAG......we  can form   3!  =  6  different  "words"

 

EAG

EGA

GAE

GEA

AGE

AEG

 

 

cool cool cool

 Apr 29, 2021

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