[tex]Bonjour;\\\\\\F=10^4+3\times10^1+2\times10^{-1}=10030,2=1,00032\times10^4\ .\\\\\\G=\dfrac{2\times10^5\times5}{10^{-3}}=\dfrac{10\times10^5}{10^{-3}}=10^{1+5+3}=1\times10^9=1000000000\ .\\\\\\H=\dfrac{3\times10^2\times5\times10^4}{12\times(10^3)^3}=\dfrac{15\times10^6}{12\times10^9}}=\dfrac{5}{4}\times\dfrac{10^6}{10^9}\\\\\\=1,25\times10^{-3}=0,00125\ .[/tex]
[tex]J=\dfrac{4\times10^5\times15\times10^{-3}}{80\times10^{-1}}=\dfrac{60\times10^2}{8}=7,5\times10^2=750\ .[/tex]
Bonjour,
par exemple :
10⁴ + 3×10¹ + 2×10⁻¹ = 10 000 + 30 + 0,2 = 10 030,2 = 1,00302 × 10⁴
(2×10⁵×5) ÷ 10⁻³ = (10×10⁵) × 10³ = 1 000 000 × 1 000 = 1 000 000 000 = 10⁹