document.write( "Question 425634: How many permutations and combinations can be made for: three of the digits 3,5,7, and 9? \n" ); document.write( "

Algebra.Com's Answer #296300 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "permutations and combinations for 3 of 4 digits: 3,5,7,9
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document.write( "permutations = 4P3 = 4! = 24
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document.write( "combinations = 4C3 = 4!/3! = 4 
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document.write( "Note: Combinations (order not important) are: 
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document.write( "(3,5,7) 
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document.write( "(3,5,9) 
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document.write( "(3,7,9) & 
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document.write( "(5,7,9)
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