Answer:
Step-by-step explanation:
To solve this problem, first, you have to use the order of operations.
PEMDAS stands for:
Use the fractional rule.
[tex]\Longrightarrow: \sf{n!= 1*2*3*4}[/tex]
First, multiply.
1*2=2
2*3*4
2*3=6
6*4=24
[tex]\Longrightarrow: \boxed{\sf{24}}[/tex]
I hope this helps. Let me know if you have any questions.