a)
[tex] {( \frac{2}{3} )}^{ - 1} = \frac{3}{2} [/tex]
b)
[tex] {( \frac{3}{5} )}^{ - 3} = {( \frac{5}{3}) }^{3} = \frac{125}{27} [/tex]
c)
[tex] {( - \frac{2}{7}) }^{ - 2} = {( - \frac{7}{2} )}^{2} = - \frac{7}{2} \times - \frac{7}{2} = \frac{49}{4} [/tex]
d)
[tex] {6}^{ - 3} = {( \frac{1}{6} )}^{3} = \frac{1}{216} [/tex]
e)
[tex] {10}^{ - 1} = \frac{1}{10} [/tex]
