a)
(5:7)^4=5^4:7^4
b)
(9:17)^3=9^3:17^3
c)
(-15:8)^2=(-15)^2:8^2
d)
(1,5:0,7)^7=1,5^7:0,7^7
e)
(\frac{2}{5}:\frac{13}{23})^6=(\frac{2}{5})^6:(\frac{13}{23})^6
g)
(\frac{2}{7})^8=\frac{2^8}{7^8}
h)
(\frac{-6}{11})^9=\frac{(-6)^9}{11^9}
i)
(-\frac{9}{13})^{10}=\frac{(-9)^{10}}{13^{10}}