YES! We solved the question! Check the full answer on App Gauthmath How many four-letter permutations can be formed from the first five letters of the alphabet? . 7*6*5*4 = 840 ways. Any of 7 letter in the 1-st position. 7 opportunities. Any of remained 6 letters in the 2-nd position. 6 opportunities Any of remained 5 letters in the 3-rd position. 5 opportunities. Any of remained 4 letters in the 4-th position. 4 opportunities.
Study Groups Study with other students and unlock Numerade solutions for free. Try Now |