Bonjour,
[tex]5 {}^{3} \times 5 {}^{4} = {5}^{3 + 4} = {5}^{7} [/tex]
[tex] {3}^{3} \div 3 {}^{5} = {3}^{3 - 5} = {3}^{ - 2} [/tex]
[tex]2 {}^{8} \times 3 {}^{8} = (2 \times 3) {}^{8} = 6 {}^{8} [/tex]
