Réponse :
* 2 mm = 2 x 10⁻³ m
* 320 m = 320 x 10⁰
* 40 µm = 40 x 10⁻⁶ m
* 6371 km = 6371 x 10³ m
* 2.54 cm = 2.54 x 10⁻² m
* 0.11 mm = 0.11 x 10⁻³ m
* 8.844 km = 8.844 x 10³ m
* 0.1 nm = 0.1 x 10⁻⁹ m
* 20 dm = 20 x 10⁻¹ m
* 146.6 x 10⁶ km = 146.6 x 10⁹ m
Explications étape par étape :
