If you mean permutations of the letters in the word "obfuscation", the answer is 1,814,400.
720
Permutations of 10 letters taken 3 a time = 10 x 9 x 8 = 720
Just two.Just two.Just two.Just two.
7. C-O-M-P-U-T-E-R
There are 6! = 720 permutations.
120?
4! Four factorial. 4 * 3 * 2 = 24 permutations ------------------------
There are 720 possible permutations.
Since there are no duplicate letters in the word RAINBOW, the number of permutations of those letters is simply the number of permutations of 7 things taken 7 at a time, i.e. 7 factorial, which is 5040.
1260.
10! permutations of the word "Arithmetic" may be made.
There is no such formula since most of the possible permutations will not be words.
There are 8! = 40320 permutations.
If you mean permutations of the letters in the word "obfuscation", the answer is 1,814,400.
There are 7 factorial, or 5040 permutations of the letters in the word NUMBERS.
There are 195 3-letter permutations.