Question

5 friends are going to sit together in a roller-coaster car that has 5 seats. In how many different arrangements can they sit?

A. 25
B. 5
C. 32
D. 120

Answer 1

5x 5=25

Answer 2

it says that that's wrong

Answer 3

i would go with
\[5!\]

Answer 4

yep its factorial five i misunderstood the question

Answer 5

5 choices for the first seat
4 for the second
3 for the third
2 for the fourth
1 for the fifth
by the counting principle, the number of ways to do all this together is
\[5\times 4\times 3\times 2=5!\]