**Answer 1**

need formula for permuation…

5*4*3*2 = 120

### More Similar posts:

- How many combinations exist of the letters W, X, Y, Z, taking two at a time?
- How many combinations exist of the letters W, X, Y, Z, taking two at a time?
- How many permutations are there for the letters in the word TELEPHONE?
- How many permutations exist of the letters a, b, c, d taken four at a time?
- How many permutations exist of the letters p, q, r, s, and t, taking four at a time?
- In a class of 147 students, 95 are taking math, 73 are taking science, and 52 are taking both math and science.