Réponses

2014-03-20T16:57:28+01:00
A= (49 x 10^3 x 6 x 10^-10) / 14 x 10^-2
A= (49 x 6) / 14 x (10^3 x 10^-10) / 10^-2
A= 294/14 x 10^-7/10^-2
A= 21 x 10^-5
A= 0,00021
A= 2,1 x 10^-4