document.write( "Question 1010367: How many odd 4-digit numbers are there (repetition is allowed)? \n" ); document.write( "
Algebra.Com's Answer #625776 by stanbon(75887)\"\" \"About 
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How many odd 4-digit numbers are there (repetition is allowed)?
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\n" ); document.write( "thousands digit:: 9 ways
\n" ); document.write( "hundreds digit::: 10 ways
\n" ); document.write( "tens digit:: 10 ways
\n" ); document.write( "units digit must be even:: 5 ways
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\n" ); document.write( "Ans: 9*100*5 = 9*500 = 4500
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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