Question

Me ajudem
${7}^{5} . {7}^{4} = \\ \\ { ({13}^{2} })^{6} =$
${8}^{5} \div {8}^{4} = \\ \\ ( {x}^{10) {3}^{} } =$

Answer 1

Espero que entenda :)

$7^{5} . 7^{4} = 7^{5+4} = 7^{9}\\ (13^{2})^{6}=13^{2.6}=13^{12}\\ \frac{8^{5}}{8^{4}}= 8^{5-4}=8^{1}=8\\ (x^{10})^{3}=x^{10.3}=x^{30}$