bonjour
3 * 10 ³ * 80 * 10 ⁵ = 240 * 10 ⁸ = 2.4 * 10 ¹⁰
50 * 10 ³ * 2 * 10 ⁵ = 100 * 10 ⁸ = 1 * 10 ¹⁰
3 * 10 ⁸ * 5 * 10 ⁻⁷ = 15 * 10 ¹ = 1.5 * 10
3 * 10 ¹⁰ * 7 * 10 ⁻⁶ = 21 * 10 ⁴ = 2.1 * 10 ⁵
- 3 * 10² * 1 * 10 ⁻⁵ = 3 * 10 ⁻³
5 * 10 ⁶ * 0.3 * 10 ⁻⁶ = 1.5 * 10 ⁰ = 1.5