document.write( "Question 1069247: The digits 1,2,3,4, and 5 are to be used to form five-digit numbers. How many different number can be formed if (1).repetitions are permitted (2) The number must be odd and repetitions are not allowed (3) the number must be greater than 30,000 and repetition is not allowed. \n" ); document.write( "
Algebra.Com's Answer #684457 by trsomas23@gmail.com(17)![]() ![]() You can put this solution on YOUR website! 1) \n" ); document.write( "2) The unit digit should be 1, 3, 5 \n" ); document.write( "No. of ways to fill the unit digit = 3 \n" ); document.write( "No. of ways to fill the remaining 4 places = 4! = 24 \n" ); document.write( "3 x 24 = 72\r \n" ); document.write( "\n" ); document.write( "3) Leftmost digit should be 3, 4 or 5 \n" ); document.write( "No. of ways to fill the leftmost digit = 3 \n" ); document.write( "No. of ways to fill the remaining 4 places = 4! = 24 \n" ); document.write( "3 x 24 = 72\r \n" ); document.write( "\n" ); document.write( "Email: trsomas23@gmail.com \n" ); document.write( "Skype: sahay.avinash \n" ); document.write( " |