Répondre :
A = [tex]\frac{16*10^{-1*2} }{10^{3}+2*10^{-8*80} }} = \frac{ \frac{16}{5}}{1000+2* \frac{1}{625000} } = \frac{3,2}{1000,0000032} [/tex] ≈ 0,0032016
B =[tex]\frac{3*10^3+2*10^2}{5*10^4 } =\frac{3000+200}{50000}= \frac{8}{125}[/tex] ≈ 0,064
B =[tex]\frac{3*10^3+2*10^2}{5*10^4 } =\frac{3000+200}{50000}= \frac{8}{125}[/tex] ≈ 0,064