Răspuns:
g) [tex]\frac{2^{49} }{8^{17} } = \frac{2^{49} }{(2^{3})^{17} } =\frac{2^{49} }{2^{51} } =\frac{1}{2^{51-49} } =\frac{1}{2^{2} }= \frac{1}{4}[/tex]
h) [tex]\frac{8^{25} }{16^{20} } =\frac{(2^{3})^{25} }{(2^{4})^{20} } =\frac{2^{75} }{2^{80} } =\frac{1}{2^{5} } =\frac{1}{32}[/tex]
i) [tex]\frac{4^{26} }{32^{11} } = \frac{(2^{2})^{26} }{(2^{5})^{11} } =\frac{2^{52} }{2^{55} } =\frac{1}{2^{3} } =\frac{1}{8}[/tex]
j) [tex]\frac{9^{17} }{3^{37} } =\frac{(3^{2})^{17} }{3^{37} } =\frac{3^{34} }{3^{37} } =\frac{1}{3^{3} } =\frac{1}{27}[/tex]
k) [tex]\frac{27^{30} }{3^{91} } =\frac{(3^{3})^{30} }{3^{91} } =\frac{3^{90} }{3^{91}} =\frac{1}{3}[/tex]
l) [tex]\frac{81^{19} }{9^{39} } =\frac{(9^{2}) ^{19} }{9^{39}} =\frac{9^{38} }{9^{39}} =\frac{1}{9}[/tex]
