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Sagot :

Réponse :

Explications :

Bonjour,

Convertir avec les puissance de 10:

12 cm = 12 * 10⁻² m

125 mL = 125 * 10⁻³ L, car 1 L = 10³ mL

4.56 km = 4.56 * 10³ m

2.45 dag =  2.45 .10¹ g, car 1 décagramme (dag) = 10 g

2.16 μmol = 2.16 * 10⁻⁶ mol

45.625 kg = 45.625 * 10³ g

32.5 cL =  32.5 * 10⁻² l, car 1 cL = 10⁻² litre

745 nm = 745 * 10⁻⁹ m , car 1nm = 10⁻⁹ m

1.7 Mm = 1.7 * 10⁶ m, car 1 Mm = 10⁶ m

1253 mmol  = 1253 * 10⁻³ mol

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