document.write( "Question 658665:
\n" ); document.write( "If each post office has its own five-digit zip code in which the last digit must be a 0, how many offices can there be?
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Algebra.Com's Answer #410448 by Alan3354(69443)\"\" \"About 
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If each post office has its own five-digit zip code in which the last digit must be a 0, how many offices can there be?
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\n" ); document.write( "The 1st 4 digits are 0 - 9, 10 choices
\n" ); document.write( "--> 10^4 = 10000 offices.
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