document.write( "Question 136456: How many odd numbers of four different digits can be formed by choosing from the digits 1, 2, 3, 4, and 5? \n" ); document.write( "
Algebra.Com's Answer #99946 by vleith(2983)![]() ![]() ![]() You can put this solution on YOUR website! In order for the number to be odd, the 'ones digit' must be odd. The other digits can be anything.\r \n" ); document.write( "\n" ); document.write( "The number will be of the form ABCD - where D must be odd.\r \n" ); document.write( "\n" ); document.write( "How many choices do we have for the digit 'A'? We can use any of the 5 given digits. \n" ); document.write( "How many for B? Again 5 digits \n" ); document.write( "How many for C? Again 5 digits? \n" ); document.write( "How many for D? Only 3 (1,3 and 5).\r \n" ); document.write( "\n" ); document.write( "Do the number of combinations will be \n" ); document.write( "5*5*5*3 = 375 \n" ); document.write( " |