Sagot :

Réponse :

=0,004*10^-7

=4*10^-3*10^-7

=4*10^-10

ficanas06

0.004 = 4 * 10⁻³

4 * 10⁻³ * 10 ⁻⁷ = 4 * 10⁽⁻³⁾ ⁺⁽⁻⁷⁾ = 4 * 10⁻¹⁰