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Sagot :

SELIMANEB7759

Réponse :

Explications étape par étape :

A = (14 × 10⁵×35×10⁻³)/(21 ×10³)

A = (2 × 7 × 7 × 5)/(3×7) ×( 10⁵×10⁻³)/(10³)

A = (7 × 10)/3 × ( 10⁵⁻³)×(10⁻³)

A = 7/3 × 10¹× 10² × 10⁻³

A = 7/3 × 10¹⁺²⁻³

A = 7/3 × 10⁰

A = 7/3 × 1 car 10⁰ = 1

A = 7/3

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