April 2019 2 16 Report

bonjour aidez moi s'il vous plait :)

calculer chaque expression et donner le resultat en ecriture scientifique .

J = 7 x 10^16 x 9 x 10^-3 K = 10^8 x 6 x 10^-5

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21 x 10^17 15 x (10^7)^-4

ps: ceci ^ coresspond a puissance ....

merci d'avance :)

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