bonjour
fourmi = 3 x 10 ⁻³ m = 0.003 m = 3 mm
Paris Lille = 2 x 10 ⁵ m = 200 000 m = 200 km
Terre Soleil = 149.6 x 10 ⁹ m = 149 600 000 000 m = 1 4960 000 km
Terre / Proxima = 4 x 10 ¹⁶ m = 40 000 000 000 000 km
abeille = 20 mm = 0.02 m
atome = 0.1 x 10 ⁻⁹ m = 1 x 10 ⁻¹⁰ m
terre Lune = 384 Mm = 384 x 10 ⁶ = 384 000 000 m