document.write( "Question 1171413: How many 7-letter words can be made from the letters WASTEFUL if\r
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Algebra.Com's Answer #850854 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "The word  WASTEFUL  has 8 ubique letters, there is no repetition of letters.\r\n" );
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document.write( "(a)  In (a), in each of 7 position can be any of 8 letters, \r\n" );
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document.write( "     so the answer in this case is   = 2097152.\r\n" );
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document.write( "(b)  In (b), in the 1st position can be any of 8 letters;\r\n" );
document.write( "             in the 2nd position can be any of remaining 7 letters\r\n" );
document.write( "                    . . . and so on . . . \r\n" );
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document.write( "     So the answer in this case is  8*7*6*5*4*3*2 = 40320.\r\n" );
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document.write( "     It is the product of 7 consecutive integer numbers in descending order, starting from 8.\r\n" );
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