document.write( "Question 828761: How many 4- digit numbers contain at most 2 zeroes? (Caution: A 4- digit number does not start with zero)\r
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Algebra.Com's Answer #499544 by Edwin McCravy(20055) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "There are 9999 integers up through 9999, but the first 999 have\r\n" );
document.write( "less that four digits, so the number of 4 digit numbers is\r\n" );
document.write( "9999-999 = 9000. Only 9 4-digit integers have more than 2 zeros,\r\n" );
document.write( "these: 1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000, 9000.\r\n" );
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document.write( "Answer: 9000-9 = 8991\r\n" );
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document.write( "Edwin

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