document.write( "Question 931295: how many 3-digit numbers with no repeated digits using 4, 5, 6, 8 can be
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document.write( "a. less than 500
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document.write( "b. greater than 600 \n" );
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Algebra.Com's Answer #565526 by richard1234(7193)![]() ![]() You can put this solution on YOUR website! a. First digit must be 4, then we have 3 choices for the tens digit and two choices for the units digit --> 6 numbers\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "b. First digit must be 6 or 8 (2 choices), then 3 choices for the tens digit and two choices for the units digit --> 12 numbers \n" ); document.write( " |