Factorial 15, usually written as "15!"
13 items of any set can be listed in 13! different ways. That's 1 x 2 x 3 x 4 x ... x 13.
If you consider an 18 x 20 rectangle to be the same as a 20 x 18, there are twelve ways. If not, double that.
how many ways can you get a sum of 1?
In how many distinct ways can the letters of the word MEDDLES be arranged?
4! = 24 ways.
13 items of any set can be listed in 13! different ways. That's 1 x 2 x 3 x 4 x ... x 13.
13 items of any set can be listed in 13! different ways. That's 1 x 2 x 3 x 4 x ... x 13.
36
28
39916800
g
1
81
5005
two ways to get help in office program
Portable audio CD players have evolved in many ways. In fact, they evolved from bulky cassette players to walkmans (portable CD players) to what is most common now, Mp3 players that do not require a CD.
there are 84 possibilities to select 3 members from 9 players. Formula n!/m!(n-m)! Zia khan, Karachi. Zhkhan16@yahoo.com