Don't use chat gpt i want real answer not AI answer U will give ai answer i will give multiple dislikesDon't use chat gpt i want real answer not AI answer U will give ai answer i will give multiple dislikes$3.$ Compute $\backslash (7!\backslash )\mathrm{.}6.$ If $\backslash (($n$-1)!=24\backslash ),$ what is the value of $\backslash ($ n $\backslash )?$

$7.$ Evaluate $\backslash (0!\backslash ).$