document.write( "Question 329984: John is getting his ATM card activated. He must select a password with 4 nonzero digits to be able to use his card. How many passwords are allowed if no digit may be used more than once? \n" ); document.write( "
Algebra.Com's Answer #236462 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! John is getting his ATM card activated. He must select a password with 4 nonzero digits to be able to use his card. How many passwords are allowed if no digit may be used more than once? \n" ); document.write( "--------------- \n" ); document.write( "Ans: 9*8*7*6 = 3024\r \n" ); document.write( "\n" ); document.write( "-------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |