document.write( "Question 631374: How many three different letter combinations can be formed in the English alphabet? \n" ); document.write( "
Algebra.Com's Answer #397520 by 303795(602)![]() ![]() ![]() You can put this solution on YOUR website! There are 26 ways of choosing the first letter. \n" ); document.write( "There are 25 ways of choosing the second letter as it cannot duplicate the first letter. \n" ); document.write( "There are 24 ways of choosing the third letter as it cannot duplicate either the first or second letter. \n" ); document.write( "The total number of different combinations is 26 x 25 x 24 = 15600 \n" ); document.write( " |