6!=720.
2.
[tex]3!*2!=(3*2*1)*(2*1)=6*2=12[/tex]3!*2!=12.
Mathematical symbol !.
the symbol is known as a factorial and always uses the following structure until it reaches 1.
Explanation:
[tex]n!=n*(n-1)*(n-2)*(n-3)*....*(n-(n-1))[/tex]Where n-(n-1)=n-n+1=1.
When n=6:
[tex]\begin{gathered} 6!=6*(6-1)*(6-2)*(6-3)*(6-4)*(6-5) \\ 6!=6*5*4*3*2*1 \end{gathered}[/tex]