document.write( "Question 448453: How many 5 letters codes can be made if no letters can be used twice? \n" ); document.write( "
Algebra.Com's Answer #308605 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
If you mean letters of the alphabet, and not case sensitive, it's
\n" ); document.write( "26*25*24*23*22
\n" ); document.write( "= 7893600
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