document.write( "Question 1175610: Coloso University uses a 5-digit restriction to distribute mails and packages. How many ZIP codes are there if there are no digit restrictions? How many ZIP codes are possible if repetition is not allowed? \n" ); document.write( "

Algebra.Com's Answer #801261 by ikleyn(52781) $\"\"$ $\"About$

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\n" ); document.write( "Coloso University uses a 5-digit $\"highlight%28cross%28restriction%29%29\"$ ZIP-code to distribute mails and packages.
\n" ); document.write( "How many ZIP codes are there if there are no digit restrictions? How many ZIP codes are possible if repetition is not allowed?
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document.write( " = 100,000  codes, if repetition is allowed.\r\n" );
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document.write( "                 Because you have 10 opportunities for digits in EACH POSITION, independently.\r\n" );
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document.write( "10*9*8*7*6 =  30,240  codes, if repetition is not allowed.\r\n" );
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