document.write( "Question 634815: How many different 4-digit numbers can be formed from the digits 2, 3,4,5,6,7, and 8 if: \r
\n" ); document.write( "\n" ); document.write( "a. Repetition of digits is not allowed?\r
\n" ); document.write( "\n" ); document.write( "b. Repetition of digits is allowed?\r
\n" ); document.write( "\n" ); document.write( "c.How many of them are odd numbers? Refer to letter a.\r
\n" ); document.write( "\n" ); document.write( "d. How many of them are even numbers? Refer to letter b.
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Algebra.Com's Answer #399900 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi,
\n" ); document.write( "How many different 4-digit numbers can be formed from the \"6\" digits 2, 3,4,5,6,7, and 8 if:
\n" ); document.write( "a. Repetition of digits is not allowed? \"6%2A5%2A4%2A3\"
\n" ); document.write( "b. Repetition of digits is allowed? \"6%2A6%2A6%2A6\"
\n" ); document.write( "c.How many of them are odd numbers? Refer to letter a.\"6%2A5%2A4%2A3%2F2\"
\n" ); document.write( "d. How many of them are even numbers?Refer to letter b.\"6%2A6%2A6%2A6%2F2\" \n" ); document.write( "
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