Simplifiez $\bigg(\dfrac{7^{11}}{7^{-11}}\bigg)^{-9}$=

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

Simplifiez $4^{-1}\times 4^{8}$=

Simplifiez $5^{-9}\times 2^{-9}$=

Simplifiez $2^{1}\times 2^{5}\times 2^{-11}$=

Simplifiez $\bigg(\dfrac{6^{-11}}{6^{9}}\bigg)^{5}$=

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

Simplifiez $\bigg(\dfrac{7^{3}}{7^{5}}\bigg)^{-8}$=

Simplifiez $\dfrac{10^{1}}{10^{5}}$=

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