document.write( "Question 433336: 6 digit passwords are randomly assigned to students by the computer department when they begin their freshman year. Assuming each digit comes from the set 0-9,
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Algebra.Com's Answer #300394 by jorel1380(3719)\"\" \"About 
You can put this solution on YOUR website!
If no digit can be repeated, then the number of unique passwords is 10C6;
\n" ); document.write( "10x9x8x7x6!/6!x4x3x2=210
\n" ); document.write( "a)210
\n" ); document.write( "b)The probability of any one particular password is 1/210.
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