$\left(10^{-4}\right)^{-4} = 10$

$10^{4} \times 10^{-5} = 10$

$\dfrac{10^{-7}}{10^{6}} = 10$

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

$\dfrac{10^{-2} \times 10^{-3}}{10^{4}} = 10$

$\dfrac{10^{-2}}{10^{-1}\times 10^{1}} = 10$

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

$\dfrac{\left(10^{-2}\right)^{4}}{10^{3}} = 10$

$\dfrac{10^{-1}}{10^{-2}\times 10^{2}} = 10$

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