Bonjour,
Exercice n° 1 :
[tex] \frac{1}{10 {}^{3} } = {10}^{ - 3} = 0.001[/tex]
[tex] {5}^{ - 2} = 0.04[/tex]
[tex]( - 1) {}^{17} = ( - 1) {}^{16} \times ( - 1) = ( - 1)[/tex]
[tex]( - 2) {}^{3} = ( - 2) {}^{2} \times ( - 2) = 4 \times ( - 2) = - 8[/tex]
[tex] - 7.85 \times {10}^{5} = - 785 \: 000[/tex]
