$\dfrac{6^{7}}{6^{6}} = 6$

$10^{2} \times 10^{-7} = 10$

$\left(2^{-6}\right)^{5} = 2$

$\dfrac{2^{-4}}{2^{-2}} = 2$

$\dfrac{8^{-3} \times 8^{-4}}{8^{-5}} = 8$

$\dfrac{5^{4}}{5^{-3}\times 5^{5}} = 5$

$\dfrac{\left(9^{-1}\right)^{5}}{9^{2}} = 9$

$\dfrac{3^{1} \times 3^{4}}{3^{5}\times 3^{-2}} = 3$

$8^{2} \times 8^{-4} \times 8^{7} = 8$

$\dfrac{4^{-4} \times 4^{-2}}{4^{2}} = 4$