bonjour
A = 1 254
A = 1.254 * 10 ³
B = 0 , 000 65 = 6.5 * 10 ⁻⁴
C = 45 * 10 ⁶ * 10 ⁸ = 45 * 10 ¹⁴ = 4.5 * 10 ¹⁵
D = 123 * 10 ⁻¹² * 5 = 615 * 10 ⁻¹² = 6.15 * 10 ⁻¹⁰
E = 782 x 8 x 10 ¹⁷ = 6 256 * 10 ¹⁷ = 6.256 * 10 ²⁰
F = 45 * 10 ⁻³ sur 36 * 10 ¹³ = 1.25 * 10 ⁻¹⁶