tolong aku yaa kak......................

a.
[tex] { (\frac{1}{2}) }^{ - 5} = {2}^{5} [/tex]
b.
[tex] { - (\frac{1}{9} )}^{ - 3} = - {9}^{3} [/tex]
c.
[tex] {4}^{ - 2} = { (\frac{1}{4}) }^{2} [/tex]
d.
[tex] {7}^{ - 4} = {( \frac{1}{7}) }^{4} [/tex]