I was hoping you could explain these permutation/combination questions. Thank you!

49. How many ways are there to choose 10 songs to download to a playlist from a list of 32. 32P10=2.34E x 10~14 19. How many ways are there to rank your top 5 movies in order of preference from 100 available to add to a list. 100P5=9034502400 20. How many ways are there to elect a committee chair and co-chair from a group of 25 participants. e 25P2=600 21. How many ways are there to choose a group of 4 students from the class roster of 35 for a project. 35C4=52360 Zz. You are dealt a 7 card hand. How many hands are possible? 52P7= 6.74E x 10^11 23 What is the probability that you will be dealt 7 cards of one suit? 24. What is the probability that you will be dealt 2 pair? (2 sets of matching cards and the others don't match) 25. How many ways can you specify 14 non-negative integers such that the non-negative integers add up to 48? 2 (48+13)! 48!13! Page 2 2 + 27 MacBook Air 30 F3 DIL DD F4 F5 F6 F7 FB FO F10 $ % & W 4 5 6 7 8 9 O E R T Y U O D F G H K V B <