$10^{2} \times 10^{4} = 10$

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

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

$10^{-6} \times 10^{-4} = 10$

$10^{-7} \times 10^{-3} = 10$

$\dfrac{10^{12} }{ 10^{3} } = 10$

$\dfrac{10^{3} }{ 10^{7} } = 10$

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

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

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

$\left(10^{5}\right)^{-1} = 10$

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

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

$\left(10^{-3}\right)^{6} = 10$

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