document.write( "Question 463298: A password consists of 4 letters followed by a 3 digit number: how many passwords are available if there are no restrictions and how many passwords are available if none of the letters or digits can be repeated? \n" ); document.write( "
Algebra.Com's Answer #317427 by edjones(8007)![]() ![]() You can put this solution on YOUR website! No restrictions:26^4*10^3=456976000 \n" ); document.write( ". \n" ); document.write( "Nothing repeated:26*25*24*23*10*9*8=258336000 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |