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)\"\" \"About 
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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
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