document.write( "Question 868305: how may different four digit numbers can you make using 1,2,3,4,5,6,7,8,9 if no digit appears more than once in a number \n" ); document.write( "
Algebra.Com's Answer #523454 by Alan3354(69443)\"\" \"About 
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The 1st digit is 1 of 9
\n" ); document.write( "then 1 of 8, etc
\n" ); document.write( "--> 9*8*7*6
\n" ); document.write( "= 3024
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