Bonsoir ! ;)
Réponse :
A) 3³ * 3⁵
= 3³⁺⁵
= 3⁸
= 6 561
B) 3⁷ * 3⁻⁴
= 3⁷⁺⁽⁻⁴⁾
= 3³
= 27
C) 8⁶ * 8⁻⁷
= 8⁶⁺⁽⁻⁷⁾
= 8⁻¹
= [tex]\frac{1}{8}[/tex]
= 0,125
D) 2⁻⁴ * 2⁻¹
= 2⁻⁴⁺⁽⁻¹⁾
= 2⁻⁵
= [tex]\frac{1}{2^{5}}[/tex]
= [tex]\frac{1}{32}[/tex]
= 0,03125