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

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

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

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

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

$\dfrac{10^{12} }{ 10^{5} } = 10$

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

$\dfrac{6^{-5} }{ 6^{5} } = 6$

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

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

$\left(8^{6}\right)^{1} = 8$

$\left(8^{-5}\right)^{-6} = 8$

$\left(9^{-4}\right)^{-5} = 9$

$\left(3^{-5}\right)^{7} = 3$

$\left(7^{-4}\right)^{-5} = 7$

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

$5^{2} \times 7^{2} = 35$

$10^{6} \times 8^{6} = $ $ ^{6}$

$7^{3} \times 5^{3} = 35$

$\left(\dfrac{7 }{ 2}\right)^{6} = $ $7$$2$$ $

$\dfrac{15^{5} }{ 5^{5}} = $ $ ^{5}$

$\left(\dfrac{11 }{ 19}\right)^{2} = $ $11$$19$$ $

$\dfrac{6^{7} }{ 3^{7}} = $ $ ^{7}$