$\left(4^{4}\right)^{-5} = 4$

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

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

$\dfrac{7^{3}}{7^{-4}} = 7$

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

$\dfrac{9^{-3}}{9^{-2}\times 9^{3}} = 9$

$\dfrac{\left(4^{-5}\right)^{1}}{4^{4}} = 4$

$\dfrac{7^{2} \times 7^{1}}{7^{-3}\times 7^{-3}} = 7$

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

$5^{-4} \times 5^{5} \times 5^{7} = 5$