I need to solve these problems and know how to solve them. Thank you. Review Exercises 1. Evaluate each of these. a. 8! b. 10! c. 0! e. 7P5 i. 5P5 f. 12P4 j. 6P2 g. 5P3 d. 1! h. 6P0 2. Campus Tours Student volunteers take visitors on a tour of 7 campus buildings. How many different tours are possible? (Assume order is important.) 3. Inspecting Restaurants How many different ways can a city health department inspector visit 5 restaurants in a city with 10 restaurants? (Assume order is important.) 4. How many different 4-letter permutations can be formed from the letters in the word "decagon". 5. Ticket Selection How many different ways can 4 tickets be selected from 50 tickets if each ticket wins a different prize? 6. If no restrictions are imposed on ordering, the number of possible arrangements of 4 mathematics, 5 chemistry, and 4 physics books in a line equals 7. If books of each group be arranged within themselves in the order math - chemistry - physics, the number of possible arrangements of 3 mathematics, 2 chemistry, and 2 physics books in a line equals. 8. How many words can be formed by rearranging the letters of the word composed?