How many different arrangements can be made with the letters in the word POWER?

Related questions

• At a restaurant, you can choose from 2 appetizers, 4 main courses, and 3 desserts. How many...
• In general, if you have #m# items of one type and #n# things of another type, how many possible...
• You have created a (random) 5-digit password for your computer. A hacker tries to break in to...
• In how many ways can you arrange 5 books in a bookshelf?
• How do you calculate permutations on the TI-84?
• In how many ways can you rearrange the letters A, B, C, D, E?
• There are 7 children in a classroom. In how many ways can they line up for recess?
• What is a combination?
• What is the difference between combinations and permutations?
• There are 9 students in a club. Three students are to be chosen to be on the entertainment...