document.write( "Question 617264: how many 3-digit numbers with no repeated digits using 4,5,6,7,8 can be less than 520? \n" ); document.write( "
Algebra.Com's Answer #388252 by stanbon(75887)\"\" \"About 
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how many 3-digit numbers with no repeated digits using 4,5,6,7,8 can be less than 520?
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\n" ); document.write( "1st digit must be a 4
\n" ); document.write( "Next 2 digits: 4*3 = 12 ways
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\n" ); document.write( "Total #: 1*12 = 12
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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