document.write( "Question 197735: 1. Passwords are made using 4 letters and 2 digits. How many passwords can be made if repetition of letters and digits is allowed? \n" ); document.write( "
Algebra.Com's Answer #148275 by edjones(8007)![]() ![]() You can put this solution on YOUR website! 26P4 \n" ); document.write( "=26!/(26-4)! \n" ); document.write( "=26*25*24*23*22!/22! \n" ); document.write( "=358,800 \n" ); document.write( ". \n" ); document.write( "10P2 \n" ); document.write( "=10!/(10-2)! \n" ); document.write( "=10*9*8!/8! \n" ); document.write( "=10*9 \n" ); document.write( "=90 \n" ); document.write( ". \n" ); document.write( "358800*90 \n" ); document.write( "=32,292,000 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |