arranged in 9P2 ways. ∴ hence the total number of arrangements =
8! x 9P2 ways
.
How many ways can 9 math textbooks be arranged on a shelf?
So for each of the possible 40320 ways to arrange the other 8 books, there are
2 possible
acceptable arrangements of 9 books.
How many combinations are there with 9 letters?
| Characters Combinations | 6 720 | 7 5,040 | 8 40,320 | 9 362,880 |
|---|
How many ways can you place 9 different books on a shelf if there is space enough for only 5 books?
Answer: There are
15120 ways
that 9 different books can bi P9,5=frac 919-5! placed on a shelf with space enough for only 5 book =frac 987654522221 P9,5=15 120.
How many ways can 10 things be arranged?
=
86400 ways
. Let O and E be the odd and even numbers respectively.
How many ways can you arrange 8 things?
Note: 8 items have a total of
40,320 different combinations
.
How many ways can 5 letters be arranged?
This is simply 5! =
120 different ways
.
How many ways can the letters of the word honesty be arranged?
the word “HONESTY” consists of
7
letters; = 7!
How many different ways can 10 different colored horses be positioned in a carousel?
In how many different ways can 10 different-colored horses be positioned in a carousel?
504 3628800 4032 362880
.
How many ways can a 7 letter word be arranged?
According to the probability, 7 letter word can be arranged in
5040 ways
, which is 7!.
How many ways can you arrange 4 things?
So, the permutations have 6 times as many possibilites. (Another example: 4 things can be placed in 4! = 4 × 3 × 2 × 1 =
24 different ways
, try it for yourself!)
What is nPr formula?
The
n
Pr formula is used to find the number of ways in which r different things can be selected and arranged out of n different things. This is also known as the permutations formula. The
n
Pr formula is,
P(n, r) = n! / (n−r)!.
How many ways can you arrange 3 things?
Therefore, the number of ways in which the 3 letters can be arranged, taken all a time, is 3! = 3*2*1 =
6 ways
.
How do you list all possible combinations?
- Click the Expand button in the column header. From the sub-menu: Select only the column with the data we wish to retain (i.e., in our example, uncheck the Temp column) …
- The list of possible combinations now appears in the Power Query window.
How many pairs can you make with 5 items?
Note that your choice of 5 objects can take any order whatsoever, because your choice each time can be any of the remaining objects. So we say that there are 5 factorial = 5! = 5x4x3x2x1 =
120 ways
to arrange five objects.
