Sagot :
Bonjour,
4 = 2² et 8 = 2³
donc : A = 2⁴ × 4⁻⁵ = 2⁴ × (2²)⁻⁵ = 2⁴ × 2²ˣ⁽⁻⁵⁾
= 2⁴ × 2⁻¹⁰
= 2⁴⁺⁽⁻¹⁰⁾
= 2⁻⁶
B = 2⁵ × 8³ = 2⁵ × (2³)⁵ = 2⁵ × 2³ˣ³
= 2⁵ × 2⁹
= 2⁵⁺⁹
= 2¹⁴
Bonjour,
4 = 2² et 8 = 2³
donc : A = 2⁴ × 4⁻⁵ = 2⁴ × (2²)⁻⁵ = 2⁴ × 2²ˣ⁽⁻⁵⁾
= 2⁴ × 2⁻¹⁰
= 2⁴⁺⁽⁻¹⁰⁾
= 2⁻⁶
B = 2⁵ × 8³ = 2⁵ × (2³)⁵ = 2⁵ × 2³ˣ³
= 2⁵ × 2⁹
= 2⁵⁺⁹
= 2¹⁴