document.write( "Question 1169742: You have 7 scrabble tiles A, B, C, D, E, F, G. Using these 7 tiles, how many
\n" ); document.write( "different strings of 4 letters can you form.? \n" ); document.write( "

Algebra.Com's Answer #794547 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "7*6*5*4 = 4220 different words.\r\n" );
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document.write( "You have 7 option to select first letter;\r\n" );
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document.write( "    then 6 options to select second letter\r\n" );
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document.write( "    . . .   and so on  . . . \r\n" );
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document.write( "So your answer is the product of 4 integer factors that are consecutive integer numbers in descending order, starting from 7.\r\n" );
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