8! = 8 x 7 x 6 x 5 x 4 x 3 x 2 = 40,320 ways !
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Choose 3 then 2 then 1; 3*2*1 = 6 ways.
Alternate them.
Ill skip the factorials and just give you what the calculator does in the end. 8*7*6*5*4*3= 20,160
8!=8*7*6*5*4*3*2*1=40320 ways
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VCR shelf units come in a variety of colors, though they lean more towards the popular colors: black, brown, light brown, and metal. You can customize you shelf color yourself as well.
Yes. They are real.
30 ways.
The answer to this one is 24. You can do this mathematically by 4*3*2*1.
because of gravity. i think
The number of permutations of 7 things taken 7 at a time is 7 factorial, or 5040.
5 books can be lined up on a shelf in (5 x 4 x 3 x 2 x 1) = 120 different sequences.
The answer would be 7! or (7*6*5*4*3*2*1)=5040
Choose 3 then 2 then 1; 3*2*1 = 6 ways.
Classification is used in a home like this. Say your organizing a bathroom closet. You classify the towels. You put them all together on one shelf.
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