a]
[tex]a=4^{11}, \ b=4^9\\\\\frac{a}{b}=\frac{4^{11}}{4^9}=4^{11-9}=4^2=\boxed{16 \ razy}[/tex]
b]
[tex]a=2^{10}, \ b=128\\\\\frac{a}{b}=\frac{2^{10}}{128}=\frac{2^{10}}{2^7}=2^{10-7}=2^3=\boxed{8 \ razy}[/tex]
