# Math/ Algebra 2

posted by .

How many different ways can the letters in the word COMBINATIONS be arranged if the letter C is first and the letter S is last?

• Math/ Algebra 2 -

Since the first and last are fixed, that leaves you with the letters
OMBINATION , I see two I's and two O's

number of arrangements of these
= 10!/(2!2!) = 907200

## Similar Questions

1. ### history

need these letters unscrambled to make a nine letter word relating to native americans R E T A M I L A F The 4 letter is E the 5th letter is R and the 6th letter is I
2. ### Data Management

For PLANETS, find the number of : 4-letter words which must include a L and A For MAMMALS, find the munber of: a) 7-letter words b) 7-letter word beggining with MA c) 4-letter words i) all letters different ii) 2 letters same,2 different …
3. ### data management

For MAMMALS, find the munber of: a) 7-letter words b) 7-letter word beggining with MA c) 4-letter words i) all letters different ii) 2 letters same,2 different iii) 2 pairs same letters iv) 3 letters same

how many different ways can the letters in the word SOCIAL be arranged if the letter C must be directly followed by the letter I?
5. ### math

1. There are 13 horses running in a race. In how many different ways can the horses place first, second, or third?

Penelope created a game using a bag of 26 tiles, each with a different letter of the alphabet written on it. She uses a stopwatch to time how fast she can create one 5-letter word from a set of five randomly selected letters. To play …
7. ### critical probability

in how many ways can be the first four letters of your name be arranged to form a three letter word, (i)when the letter can be repeated (ii)when the letter can not be repeated
8. ### Counting and Probability

How many 2-letter "words" consist of two different letters arranged in alphabetical order?
9. ### math

The letters in the word MATHEMATICS are arranged randomly. What is the probability that the first letter is E?
10. ### Probability

The letters in the word MATHEMATICS are arranged randomly. What is the probability that the first letter is E?

More Similar Questions