12! = 12x11x10x9x8x7x6x5x4x3x2x1 = do the math yourself.
Explanation:
The first books has 12 options, the second book has 11, the third book has 10, et cetera.
240. 120 ways with the books stacked verticly, and 120 ways with the books stacked horizontaly, or one on top of the other.
35
One row of 5 different brands with each type being represented can be arranged in 5x4x3x2x1= 120 ways
You can wind up with 10 different pairs of books in your hand, which you can choose from a shelf of 5 books in 20 different ways.
there are 220 combinations of arranging 12 books chosing 3
(12 x 11 x 10 x 9 x 8 x 7) = 665,280 ways
There are various amounts of books available on how to's about decorating with a scarf and show you step by step how to do it . You can find these books anywhere online and also in many bookstores worldwide.
240. 120 ways with the books stacked verticly, and 120 ways with the books stacked horizontaly, or one on top of the other.
35
93
210 ways.
(5x4x3)/(3x2x1) = 10
One row of 5 different brands with each type being represented can be arranged in 5x4x3x2x1= 120 ways
i think about 5929 ways
6 ways
Two books are compulsory, so the student really wants to know how many ways he can pick 3 out of 7. That is 35.
There are 2*5! = 240 ways.