Simplifiez $\bigg(\dfrac{7^{8}\times7^{9}}{7^{-7}}\bigg)^{3}$=

Simplifiez $\dfrac{\dfrac{2^{7}}{2^{2}}}{\dfrac{2^{-6}}{2^{6}}}$=

Simplifiez $\dfrac{\bigg(3^{8}\bigg)^{-3}\times3^{4}}{3^{9}}$=

Simplifiez $\bigg(\dfrac{6^{-7}}{6^{6}}\bigg)^{4}\times\dfrac{6^{-8}}{6^{3}}$=

Simplifiez $\bigg(\dfrac{4^{-2}}{4^{11}}\bigg)^{-2}\times\dfrac{4^{7}}{4^{-12}}$=

Simplifiez $11^{1}\times\dfrac{\sqrt{11}^{10}}{11^{-18}}$=

Simplifiez $\dfrac{\dfrac{4^{-1}}{4^{9}}}{\dfrac{4^{-8}}{4^{7}}}$=

Simplifiez $\dfrac{\bigg(6^{-10}\bigg)^{2}\times6^{-3}}{6^{9}}$=

Simplifiez $\bigg(\dfrac{2^{-6}\times2^{2}}{2^{-7}}\bigg)^{3}$=

Simplifiez $\bigg(\dfrac{3^{7}}{3^{12}}\bigg)^{-4}\times\dfrac{3^{-10}}{3^{6}}$=