Find the number of permutations of the letters in the word spring.
How many different kinds of passwords can be created with 5 letters? (Repeats are allowed).
A carpenter, Jake, is planning to build a kitchen. He is deciding between ceramic, hardwood, and slate flooring. There are 6 paint colors to choose: tan, brown, white, gray, light blue, and yellow. For countertops, Jake is deciding between marble and granite. How many different kitchen's can Jake build?