Question

Evaluate 5!.

a) 60
b) 120
c) 720

Answer 1

Do you know what a factorial is?

Answer 2

No

Answer 3

It is what you are being asked to evaluate. A factorial is a product of numbers \(1\) through \(n\).

\(5!=1\cdot 2\cdot 3\cdot 4\cdot 5\), for example.

Answer 4

so its 120 ?

Answer 5

Correct. Good job.

Answer 6

thank you.

Answer 7

You're welcome! :D