15,7 × 10⁴ = × 10

8 270 000 = × 10

0,257 = × 10

0,345 = × 10

624 × 10^-5 = × 10

2 070 = × 10

832 milliers = × 10

571 cent-millièmes = × 10

41 millièmes = × 10

792 × 10^-6 = × 10