​[[$ (\frac{a}{b})^n=\frac{a^n}{b^n} $]]​

Esim.1 Sievennä

a) [[$ (\frac{3}{5})^2 $]]​

b) [[$ (\frac{x}{2})^3 $]]​

c) [[$ (\frac{3x}{7})^2 $]]​

d) [[$ (-\frac{1}{8})^2 $]]​

e) [[$ (-\frac{x}{4})^3 $]]​

Esim.2 Laske ilman laskinta

a) [[$ \frac{26^5}{13^5} $]]​

b) [[$ \frac{3^7}{30^7} $]]​