3). How many ways are there to permute the letters in these
words:
a). DOG

b). CATS

c). KITTEN 
d). GEESE 
4). At the Fireside Grill, you can order a meal of meat, vegetable, and a drink. If you have the following choices, how many different meals could you choose from?
5). How many ways are there to permute the letters in these
words:
6). [Hard Bonus] The best possible hand in poker is a Royal Flush. It is an Ace, King, Queen, Jack, and 10 all of the same suit. What is the probability of drawing a Royal Flush out of a deck of 52 cards? (The first card can be A, K, Q, J, or 10 of any suit.)