document.write( "Question 871430: How many different 5-digit numbers can I make if I cannot have repeated numbers? \n" ); document.write( "
Algebra.Com's Answer #525599 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Choose the 1st digit any of 9 ways (It cannot be 0)\r\n" );
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document.write( "Choose the 2nd digit any of the 9 remaining ways (It cannot be the digit \r\n" );
document.write( "chosen for the 1st digit, but it can be 0).\r\n" );
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document.write( "Choose the 3rd digit any of the 8 remaining ways (It cannot be either of \r\n" );
document.write( "the 2 digits already chosen).\r\n" );
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document.write( "Choose the 4th digit any of the 7 remaining ways (It cannot be any of \r\n" );
document.write( "the 3 digits already chosen).\r\n" );
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document.write( "Choose the 5th digit any of the 6 remaining ways (It cannot be any of \r\n" );
document.write( "the 4 digits already chosen).\r\n" );
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document.write( "Choose the 6th digit any of the 5 remaining ways (It cannot be any of \r\n" );
document.write( "the 5 digits already chosen).\r\n" );
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document.write( "Answer 9*9*8*7*6*5 = 136080 ways.\r\n" );
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document.write( "Edwin
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