document.write( "Question 1116179: How many three digit numbers can be formed from the set 0-9 if repetitions are allowed and the number must be
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Algebra.Com's Answer #731012 by Fombitz(32388)\"\" \"About 
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There are 1000 three digit numbers from 000 to 999.
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\n" ); document.write( "a) 500.
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\n" ); document.write( "5,10,15,...,990,995
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\n" ); document.write( "b) 199
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\n" ); document.write( "From the previous list, remove the first number and every other number,
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