Simplifiez $\dfrac{6^{-3}}{6^{10}}$=

Simplifiez $\dfrac{6^{-4}}{6^{12}}$=

Simplifiez $\dfrac{11^{-12}}{11^{3}}$=

Simplifiez $3^{-10}\times 3^{-9}\times 3^{1}$=

Simplifiez $7^{-10}\times\dfrac{7^{11}}{7^{8}}$=

Simplifiez $11^{7}\times\dfrac{11^{-8}}{11^{6}}$=

Simplifiez $2^{7}\times (-5)^{7}$=

Simplifiez $3^{11}\times 10^{11}$=

Simplifiez $\bigg(3^{-12}\bigg)^{3}$=

Simplifiez $7^{11}\times (-4)^{11}$=