Factorial 7 (7!) ie 7 x 6 x 5 x 4 x 3 x 2 = 5040 different ways. Look at it this way: The first place can be taken by any of the 7 objects, which leaves any of 6 objects available for second place, which leaves any of 5 objects...
Chat with our AI personalities
One row of 5 different brands with each type being represented can be arranged in 5x4x3x2x1= 120 ways
The first object in the row can be any one of the 4 objects. For each of those . . .The second one in the row can be any one of the remaining 3 objects. For each of those . . .The third one in the row can be either of the remaining 2 objects.The total number of different arrangements is (4 x 3 x 2) = 24 ways.
4 people seated on a row may have 4! = 4x3x2x1 = 24 different ways to sit.
120 ways.120 ways.120 ways.120 ways.
you are arranging 70 plants in a rectangular garden with the same number in each row how many ways can you arrange the garden