[tex]a. ( \frac{5}{8} )^{2} x ( \frac{5}{8} )^{9} = ( \frac{5}{8} )^{11}[/tex]
[tex]b. ( - \frac{3}{10} )^{8} x ( - \frac{3}{10} )^{9} = ( - \frac{3}{10} )^{17}[/tex]
[tex]c. ( - \frac{4}{3} )^{4} x ( - \frac{4}{3} )^{10} = ( - \frac{4}{3} )^{14}[/tex]
[tex]d. ( - \frac{5}{2} )^{9} x ( - \frac{4}{3} )^{11} = ( - \frac{4}{3} )^{20}[/tex]
[tex]e. [( \frac{1}{2} )^{2}]^{3} = ( \frac{1}{2} )^{8}[/tex]
[tex]f. [( - \frac{2}{3} )^{3}]^{5} = ( - \frac{2}{3} )^{243}[/tex]
[tex]g. ( \frac{11}{12} )^{25} ( \frac{11}{12} )^{25} = 1[/tex]
La a b c si d se aduna puterile , la e si f faci [tex] 2^{3} [/tex] respectiv [tex] 3^{5} [/tex] iar la g se reduc toti factorii ( 11:11 , 12:12 , 25:25 si iti da [tex] \frac{1}{1}^{1} [/tex] care este egal cu 1)
