7. How many different 4-letter "words" can be made from the

Last updated: 7/18/2022

7. How many different 4-letter "words" can be made from the letters j, o, u, r, n, e, y if a. The first letter must be a vowel and repetitions are allowed? Show the computation used to arrive at your answer. b. The first letter must be an y, the last letter must be an r, and repetitions are not allowed? Show the computation used to arrive at your answer.