Réponse:
Bonjour
[tex]4 ^{3} = 4 \times 4 \times 4[/tex] =64
[tex]( - 3) ^{4} = ( - 3) \times ( - 3) \times ( - 3) \times ( - 3)[/tex] =81
[tex]7 ^{ 3} = 7 \times 7 \times 7[/tex] =343
[tex]( - 8) ^{2} = ( - 8) \times ( - 8)[/tex] =64
[tex]0.2 ^{5} = 0.2 \times 0.2 \times 0.2 \times 0.2 \times 0.2[/tex] = 3,2×10^-4
