Réponses

2014-10-06T21:08:55+02:00
Je recommence

6 x 10¹² x 35 x 10⁻⁴ sur 14 x 10⁻³

6 x 35 = 210 x 10¹² ⁻⁴ = 210 x 10⁸
210 : 14 = 15 x 10⁸ ⁺³ ) = 15 x 10 ¹¹
= 1.5 x 10 x 10¹¹ = 1.5 x 10¹²