Bonjour
A = - 150 x 10 ⁻⁷ x 10⁶ : - 5 x 10 ³ x 10 ⁻⁵
A = - 150 x 10 ⁻¹ : - 5 x 10 ⁻²
A = 30 x 10 ¹
= 3 x 10 ²
B = - 4 x ( 10⁻²)⁻³ + 4 x 10 ⁶ : 6/5 + 0.8
B = - 4 x 10 ⁶ + 4 x 10 ⁶ : 1.2 + 0.8
B = 0 /2 = 0
C = 360 x 10 ¹⁵ x 10 ⁶ : 630 x 10 ²¹
C = 360 x 10 ²¹ : 630 x 10 ²¹
C = 360/630 x 10 ⁰
C = 4 / 7
