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

$10^{-4} \times 10^{7} = 10$

$\left(10^{5}\right)^{-6} = 10$

$\dfrac{10^{5}}{10^{-5}} = 10$

$\dfrac{10^{5}}{10^{-5}\times 10^{2}} = 10$

$\dfrac{10^{4} \times 10^{-4}}{10^{3}} = 10$

$\dfrac{\left(10^{-5}\right)^{2}}{10^{2}} = 10$

$\dfrac{10^{-4} \times 10^{1}}{10^{4}\times 10^{-1}} = 10$

$\dfrac{10^{5} \times 10^{-2}}{10^{-3}} = 10$

$10^{-6} \times 10^{-3} \times 10^{3} = 10$