Réponses

2012-05-27T23:12:44+02:00

(8x10^-9 x 14x10²)/(7x10^-4)

=(8x2x7x10^-9 x10²)/(7x10^-4)

=(16 x 10^-7)/10^-4

=16x10^-3

=1.6x10^-2