24
There are 7 factorial, or 5040 permutations of the letters in the word NUMBERS.
three
7 factorial
Only one.
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.
Since the word MATH does not have any duplicated letters, the number of permutations of those letters is simply the number of permutations of 4 things taken 4 at a time, or 4 factorial, or 24.
If you mean permutations of the letters in the word "obfuscation", the answer is 1,814,400.
There are 6! = 720 permutations.
There are 24.
quiet
There are 9,979,200
tt
cat
2520
The number of permutations of the letters SWIMMING is 8 factorial or 40,320. The number of distinct permutations, however, due to the duplication of the letters I and M is a factor of 4 less than that, or 10,080.
There are 7893600 permutations.
There are 7 factorial, or 5040 permutations of the letters in the word NUMBERS.