bonsoir
a = 45 x 10 ¹² x 4 x 10 ⁻²⁶
a = 180 x 10 ⁻¹⁴
a = 1.8 x 10⁻¹²
b = 6.25 x 10 ¹⁸
c = 36 x 10 ¹⁵ : 3 x 10 ⁻¹⁷
c = 12 x 10 ³²
= 1.2 x 10 ³³
d = 36 x 10 ⁻⁶ x 25 x 10 ⁵ : 4.5 x 10 ⁻⁴
d = 900 x 10 ⁻¹ : 4.5 x 10 ⁻⁴
d = 200 x 10 ³
d = 2 x 10 ⁵
e = 44.8 x 10 ⁻¹ : 224 x 10 ⁻¹⁰
e = 0.2 x 10 ⁹
e = 2 x 10 ⁸