February 2021 0 69 Report
Bonjour ex1)donner l'ecriture scientifique de B en précisant toutes les etapes de calcul
B=5x10^8x4/0,25x10-^-4
ex2)calculer C et donner son ecriture scientifique en précisant toutes les etapes de calcul
C=5x10-²X7X10^5/2x10^7
merçi
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