[tex]ex1 \: a)( \frac{4}{5} )^{2} = \frac{16}{25} \\ b)\frac{ (- 3) ^{2} }{8} = \frac{9}{8} \\ c) \frac{7}{( - 19)^{3} } = \frac{7}{361} \\ d) ( \frac{ - 11}{10} )^{2} = \frac{121}{200} \\ e) - (\frac{1}{2} )^{5} = \frac{1}{64} \\ f)( \frac{1}{ - 3} )^{4} = \frac{1}{81} \\ g)( \frac{ - 1}{6} )^{3} = \frac{1}{108} \\ h)( - 1.1)^{2} = 1.21 \\ i)( - 1.1)^{3} = 1.331 \\ j)( - 1.1)^{4} = 1.4641 \\ k) - 0.(3)^{5} = 1.(65) \\ l)0.1(6)^{3} = 0.(4999) \\ m) ( - 2 \frac{1}{2} )^{3} = ( \frac{ - 1}{2} )^{3} = \frac{1}{8} \\ ex \: 3 \: a) \: ( \frac{5}{8} ) ^{11} \\ b)( - \frac{3}{10} )^{17} \\ c)( \frac{4}{3} )^{14} \\ d)( - \frac{5}{2} ) ^{20} \\ e)( \frac{1}{2} ) ^{6} \\ f)( - \frac{2}{3} )^{15} \\ g)( \frac{11}{12} ) ^{0} = 1 \\ h)( - \frac{14}{15} )^{5} [/tex]
Sper că te-am ajutat!
