Quelqu’un pourrait m’aider svp? (Le 8)

bonjour,

0.000 153 = 1.53 x 10 ⁻⁴

568 795 = 5.68795 x 10 ⁵

987.145 = 9.87145 x 10 ²

0.0 000 038 = 3.8 x 10 ⁻⁶

57.87 x 10 ⁷ = 5.787 x 10 ⁸

156.3 x 10 ⁻⁹ = 1.56 x 10 ⁻⁷

0.000057 x 10 ¹⁵ = 5.7 x 10 ¹⁰

125 487 x 10 ⁻⁹ = 1.25487 x 10 ⁻⁴