[tex]a) \ (1\frac{3}{7})^{2} = (\frac{10}{7})^{2} = \frac{10^{2}}{7^{2}} = \frac{100}{49} = 2\frac{2}{49}\\\\b) \ (-\frac{2}{3})^{5} = -\frac{32}{243}\\\\c) \ (-2,5)^{2} = 6,25\\\\d) \ -(1,2)^{3} = -1,728\\\\e) \ (\frac{11}{6})^{2} = \frac{121}{26} = 3\frac{13}{36}[/tex]
[tex]f) \ (-1,1)^{3} = -1,331\\\\g) \ -(-0,5)^{4} = -0,0625\\\\h) \ -(-\frac{3}{4})^{3} = -(-\frac{27}{64}) = \frac{27}{64}[/tex]
