$1.$Describe the language denoted by following regular expression $(aa{)}^{***}(bb{)}^{***}b$

$2.$ Describe the language denoted by following regular expression $(b^{***}(aaa{)}^{***}{b}^{***}{)}^{***}$

$3.$ For $n0,$ let $(A)Lnn(B)Lnn(C)LnnN=(Q,\{0,1\},,q0,F)L(N)=\{0,1{\}}^{{?}^{{?}^{?}}}**F=QF=\frac{O}{?}N0s1s$