Bonjour,
Calculer:
E= 10³⁻⁷⁻⁹= 10⁻¹³
F= (15x9)/3 . 10³⁺⁵⁻²= 135/3 . 10⁶= 45 . 10⁶
notation scientifique :
3 425,1= 3.4 251 x 10³
234= 2.34 x 10²
352.3 x 10⁻⁵= 3.523x 10⁻³
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Bonjour,
Calculer:
E= 10³⁻⁷⁻⁹= 10⁻¹³
F= (15x9)/3 . 10³⁺⁵⁻²= 135/3 . 10⁶= 45 . 10⁶
notation scientifique :
3 425,1= 3.4 251 x 10³
234= 2.34 x 10²
352.3 x 10⁻⁵= 3.523x 10⁻³