document.write( "Question 942820: using the digits of 0,1,2,3,4,5,6,7,8,9 determine how many 3 digits numbers can be constructed according to the following criteria zero cannot be used for the first digit, digits may repeat \n" ); document.write( "
Algebra.Com's Answer #574780 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! using the digits of 0,1,2,3,4,5,6,7,8,9 determine how many 3 digits numbers can be constructed according to the following criteria zero cannot be used for the first digit, digits may repeat \n" ); document.write( "------ \n" ); document.write( "units digit:: 10 ways \n" ); document.write( "tens digit:: 10 ways \n" ); document.write( "hundreds digit:: 9 ways \n" ); document.write( "----- \n" ); document.write( "Ans:: # of 3-digit numbers:: 9*10^2 = 900 \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============ \n" ); document.write( " |