a)
2^7*5^7=(2*5)^7=10^7=1000000
b)
(\frac{1}{2})^5*4^5=(\frac{1}{\not2^1}*\not4^2)^5=2^5=32
c)
16^{10}:8^{10}=(16:8)^{10}=2^{10}=1024
d)
(\frac{3}{5})^4:(\frac{1}{5})^4=(\frac{3}{5}:\frac{1}{5})^4=(\frac{3}{\not5^1}*\not5^1)^4=3^4
e)
0,2^3*10^3=(0,2*10)^3=2^3=8
f)
(-\frac{1}{3})^3:(\frac{1}{9})^3=(-\frac{1}{\not3^1}*\not9^3)^3=(-3)^3=-27
g)
(-0,2)^9:0,1^9=(\frac{-0,2}{0,1})^9=(\frac{-2}{1})^9=(-2)^9=-512
h)
(\frac{4}{3})^3*(\frac{3}{4})^3=(\frac{4}{3}*\frac{3}{4})^3=1^3=1