Watkins Cervantes
02/09/2023 · Elementary School
Exercice \( 1 / \) Calculer les expressions suivantes en donnant les étapes de calcul. Exprimer ces résultats sous leur forme d'écriture scientifique. \[ A=-5 \times 15^{-1}+4^{2}: 5 \] \( B=40 \times 10^{12} \times 11 \times 10 \)
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\( A \approx 2.8 \times 10^{0} \) et \( B = 4.4 \times 10^{15} \).
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