TRAVAIL MATHS 4ème

EXERCICE 4: 458,59 = 4,5859 × 10². 0,00258 = 2,58 × 10?3. 12 569, 42 = 1,256942 × 104. 137 × 10 ?15 = 1,37 × 10² × 10?15 = 1,37 × 10?13. 0,026 × 10 36 = 2,6 ...