document.write( "Question 974945: How many ways to make a 3 digit number by using numbers 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
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document.write( "That is divisible by 10 \n" );
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Algebra.Com's Answer #596750 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Edwin is incorrect. \n" ); document.write( "----- \n" ); document.write( "You didn't say if odd an even numbers had to alternate - he didn't solve for that. \n" ); document.write( "-----\r \n" ); document.write( "\n" ); document.write( "Edwin is actually my mother-in-law. \n" ); document.write( "===== \n" ); document.write( "How many ways to make a 3 digit number by using numbers 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 \n" ); document.write( "That is divisible by 10 \n" ); document.write( "--------------- \n" ); document.write( "The 1's digit has to be zero. \n" ); document.write( "If, eg, 010 is not considered to be a 3 digit #, then the 1st digit cannot be zero. \n" ); document.write( "--> 9*10*1 = 90 ways. \n" ); document.write( " |