Bonjour,
Exercice 16 :
3²x3⁷=3²⁺⁷=3⁹
4x4¹⁰=4¹x4¹⁰=4¹⁺¹⁰=4¹¹
12⁻²x12⁻⁵=12⁻⁷=1/12⁷
1.5⁻⁴x1.5⁶=1.5²=(3/2)²=9/4
(-5)⁻³x(-5)⁷x(-5)=-5⁻³x(-5⁷)x(-5)=-5⁵
(8³)⁴=8³ˣ⁴=8¹²
(11⁻²)⁵=11⁻¹⁰=1/11¹⁰
(0.5⁻⁴)⁻¹=0.5⁴(1/2)⁴=1/16
(30³⁰)⁰=0
Exercice 24 :
13⁴x13⁵/13²=13⁹/13²=13⁷
6⁻⁵/6x(6⁻²)=6⁻⁵/6x6⁻⁶=6⁻⁵/6⁻⁵=1
1.3x1.3¹⁰/(1.3²x1.3)²=1.3¹¹/(1.3⁵)²=1.3¹¹/1.3¹⁰=1.3
