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. \n" );
document.write( "
Algebra.Com's Answer #399900 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( " |