Question

4!=
A. 24 B. 16 C. 1/4 D. 10

Answer 1

Any ideas?

Answer 2

\(4!=4\times 3\times 2\times 1\)

Answer 3

I think it is easier to remember it as 1*2*3*4

Answer 4

Hm we always learnt it in that order hehe. We always saw \(n!=n(n-1)(n-2)\cdots 3\cdot 2\cdot 1\)