![SOLVED: Aword is made from the following nine letters (m,a, t, h,4,5, fu,n How many different four letter words (including nonsense words) are possible if letters cannot repeat and the word must SOLVED: Aword is made from the following nine letters (m,a, t, h,4,5, fu,n How many different four letter words (including nonsense words) are possible if letters cannot repeat and the word must](https://cdn.numerade.com/ask_images/67b97cbebf434655a508447c30157652.jpg)
SOLVED: Aword is made from the following nine letters (m,a, t, h,4,5, fu,n How many different four letter words (including nonsense words) are possible if letters cannot repeat and the word must
![View question - How many 4-letter words with at least one vowel can be constructed from the letters A, B, C, D, and E? View question - How many 4-letter words with at least one vowel can be constructed from the letters A, B, C, D, and E?](https://web2.0calc.com/img/question-preview-image/how-many-4-letter-words-with-at-least-one-vowel-can.png)
View question - How many 4-letter words with at least one vowel can be constructed from the letters A, B, C, D, and E?
![The total number of permutations of 4 letters that can be made out of the letters of the word - YouTube The total number of permutations of 4 letters that can be made out of the letters of the word - YouTube](https://i.ytimg.com/vi/25Oqh5-EhOM/sddefault.jpg)
The total number of permutations of 4 letters that can be made out of the letters of the word - YouTube
![If the 4 letter words formed by using the letters of the word EQUATION, a, b, c are respectively the number of words begin with an vowel, begin and end with vowels, If the 4 letter words formed by using the letters of the word EQUATION, a, b, c are respectively the number of words begin with an vowel, begin and end with vowels,](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/641010729_web.png)