document.write( "Question 1135813: How many seven letter code words can be formed using a standard 26 letter
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document.write( "alphabet if the first letter has to be a C and the rest of letters are
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document.write( "different? And if the first two letters have to be a vowel and the rest of the
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document.write( "letters are different? \n" );
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Algebra.Com's Answer #753519 by Edwin McCravy(20056)![]() ![]() You can put this solution on YOUR website! How many seven letter code words can be formed using a standard 26 letter \n" ); document.write( "alphabet if the first letter has to be a C and the rest of letters are \n" ); document.write( "different? \n" ); document.write( " \r\n" ); document.write( "C _ _ _ _ _ _\r\n" ); document.write( "\r\n" ); document.write( "Answer: 25 remaining letters POSITION 6 remaining spaces = 25P6 = 127512000 \n" ); document.write( "And if the first two letters have to be a vowel \r\n" ); document.write( "That's 5 vowels POSITION 2 = 5P2 \n" ); document.write( "and the rest of the letters are different? \r\n" ); document.write( "\r\n" ); document.write( "That's 24 remaining letters POSITION 5 = 24P5\r\n" ); document.write( "\r\n" ); document.write( "Answer: (5P2)(24P5) = (20)(5100480)n = 102009600\r\n" ); document.write( "\r\n" ); document.write( "Edwin\n" ); document.write( " |