(0,8)\(^5\) : (0,4)\(^6\) = ((0,2)\(^3\))\(^5\) : ((0,2)\(^2\))\(^6\) = (0,2)\(^{15}\) : (0,2)\(^{12}\) = (0,2)\(^3\) = 0,8
\(\left(0,8\right)^5:\left(0,4\right)^6=\left(\dfrac{4}{5}\right)^5.\left(\dfrac{5}{2}\right)^6=\dfrac{2^8}{5^5}.\dfrac{5^6}{2^6}=\dfrac{4}{1}.\dfrac{5}{1}=20\)