24 ways
Imagine lining 7 people in a row. You have 7 people to choose from for the first person and 6 people to choose from for the second person and so on and so on , so answer=7x6x5x4x3x2x1
In a line: 32*31*30 = 29760 In a circle (eg around a table): 29760/3 = 9920.
If the points are arranged on an imaginary line with one line connecting each point to its neighbor, there will be 99 lines (or line segments).
9 ways
First in line can be any of the 12, second can be any of the remaining 11, third any of 10 and fourth any of 9 so 12 x 11 x 10 x 9 ie 11880 different ways
20160
Imagine lining 7 people in a row. You have 7 people to choose from for the first person and 6 people to choose from for the second person and so on and so on , so answer=7x6x5x4x3x2x1
In a straight line, 21! = 51,090,942,171,709,400,000 or approximately 51 quintillion.
In a line: 32*31*30 = 29760 In a circle (eg around a table): 29760/3 = 9920.
Five people are to be arranged in a row to have their picture taken. In how many ways can this be done?
If the points are arranged on an imaginary line with one line connecting each point to its neighbor, there will be 99 lines (or line segments).
9 ways
720
. Many people will choose a chihuahua because there easy to take care of and they have a rich history, so many people will choose chihuahua but they are from $300 - $500 dollars.
For the first spot, you can choose any one of 5 students. For the second spot, you can choose any one of the remaining 4 students. For the third spot, you can choose any one of the remaining 3 students. etc. So the answer is: 5x4x3x2x1 = 120
6 different ways
6 ways