a)
(1\frac{3}{4})^6*(\frac{2}{7})^6=(\frac{7}{4}*\frac{2}{7})^6=(\frac{1}{2})^6=\frac{1}{2^6}=\frac{1}{64}
b)
(0,8)^4:(2\frac{2}{3})^4=(\frac{8}{10}:\frac{8}{3})^4=(\frac{8}{10}*\frac{3}{8})^4=(\frac{3}{10})^4=\frac{3^4}{10^4}=\frac{81}{10000}=0,0081
c)
\frac{(-6,5)^3}{(-0,13)^3}=(\frac{-6,5}{-0,13})^3=50^3=5^3*10^3=125*1000=125000
d)
(4\frac{1}{2})^3*(-\frac{2}{3})^3*(-2)^3=[\frac{9}{2}*\frac{-2}{3}*(-2)]^3=[3*(-1)*(-2)]^3=6^3=216
e)
(2\frac{1}{2})^4*0,6^4*(-\frac{1}{15})^4=(\frac{5}{2}*\frac{3}{5}*\frac{1}{15})^4=\frac{1}{10^4}=0,0001
(-a) do potęgi parzystej = a
f)
\frac{(0,3)^4*(2\frac{2}{3})^4}{(-4)^4}=\frac{(\frac{3}{10}*\frac{8}{3})^4}{4^4}=\frac{(\frac{4}{5})^4}{4^4}=\frac{4^4}{5^4}*\frac{1}{4^4}=\frac{1}{5^4}=\frac{1}{625}=0,0016