document.write( "Question 621174: How many different 5-digit zip codes are there if no digit is repeated? \n" ); document.write( "
Algebra.Com's Answer #390610 by Alan3354(69443)\"\" \"About 
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How many different 5-digit zip codes are there if no digit is repeated?
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\n" ); document.write( "The 1st digit can be 1 of 10.
\n" ); document.write( "Then 1 or 9, 1 of 8, etc
\n" ); document.write( "--> 10*9*8*7*6
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