i) Find the number of four letter word that can be formed from the letters of the word HISTORY. - Sarthaks eConnect | Largest Online Education Community
![Find the number of 4 letter words that can be formed using the letters of the word MIXTURE which do not contain the letter X Find the number of 4 letter words that can be formed using the letters of the word MIXTURE which do not contain the letter X](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/641009594_web.png)
Find the number of 4 letter words that can be formed using the letters of the word MIXTURE which do not contain the letter X
![SOLVED: How many different 4-letter words can be made a. if the first letter must be F or X and no letter may be repeated? b.if repeats are allowed (but the first SOLVED: How many different 4-letter words can be made a. if the first letter must be F or X and no letter may be repeated? b.if repeats are allowed (but the first](https://cdn.numerade.com/ask_images/6abc014017a543779a2793a9ea6b63a4.jpg)