Réponses

2014-09-12T13:11:41+02:00
P=puissance

8,5X10p5
2,68X10p6
5X10p5
2,4X10p-5
1,89x10p-3
4X10p-7

;)
2014-09-12T13:18:36+02:00
Bonjour

850 000 = 8.5 x 10⁵
2 680 000 = 2.68 x 10⁶
500 000 = 5 x 10⁵
0,000024 = 2;4 x 10⁻⁵
0,00189 = 1.89 x 10⁻³
0,0000004 = 4 x 10⁻⁷