(2.5*(10^2)^3*21*10^-9)/(35*10^2)
(2,5x(10^6)x21x(10^-9))/(35x10^2)
(2 500 000 x0,000000021)/(3500)
0,0525/3500
0,000015
Voila bonne soirée
By Vetteliste