document.write( "Question 869865: How many odd 4 digit numbers can be formed using digits 0 to 9 such that digits cannot repeat? \n" ); document.write( "
Algebra.Com's Answer #524510 by ewatrrr(24785)\"\" \"About 
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9
\n" ); document.write( "Odds: 1, 3, 5, 7, 9
\n" ); document.write( "How many odd 4 digit numbers: \"5%2A4%2A3%2A2\"
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