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)![]() ![]() ![]() You can put this solution on YOUR website! how many 3-digit numbers with no repeated digits using 4,5,6,7,8 can be less than 520? \n" ); document.write( "--- \n" ); document.write( "1st digit must be a 4 \n" ); document.write( "Next 2 digits: 4*3 = 12 ways \n" ); document.write( "---- \n" ); document.write( "Total #: 1*12 = 12 \n" ); document.write( "----- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |