Solve this equation algebraically, where 7 - O. Make sure to show all steps in your solution: nP3 = 20n 1. (think about how we've seen "something P something" throughout this Module. What has it represented before? That's what we should use here) Identify the expression equivalent to 2. (n - 6)! (n - 4)! O (n - 6) (n -4) O 1 (n-4) (n-5) O 1 (n-6)(n-5) O(n - 4) (n - 5) A lottery ticket consists of 5 characters, where the first two must be digits (0-9) and the last three must be letters (A-Z). How many different lottery tickets can be 3. purchased? a) 100 000 O b) 1 757 600 O c) 11 881 376 O d) 175 760 000 How many terms are in the expansion of (5ac3 - 62) 6 4. O a) 5 O b) 7 O c) 19 O d) 64 How many different arrangements are possible when arranging all of the letters in 5. the word BRILLIANT? O a) 9! 212! O b) 9! 4 ! O c) 9! O d) 7