calculer en utilisant des puissances de 10 et exprimer les resultats en écriture scientifique

A=2400x8000 B=0,00009x0,003
C=7000x0,0015 D=36000000/0,00018

By: USER2451
27 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
calculer en utilisant des puissances de 10 et exprimer les resultats en écriture scientifique

A=2400x8000 B=0,00009x0,003
C=7000x0,0015 D=36000000/0,00018
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Answer (190)

Best Answer
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[tex]A = 2 400 * 8 000 \\
  A = 19 200 000 \\
A = 1,92 * 10^{2} \\ \\

B = 0,00009 * 0,003 \\
B= 0,00000027 \\
B = 2,7 * 10^{-7} \\ \\

C = 7 000 * 0,0015 \\
C = 10,5 \\
C = 1,05 * 10^{1} \\ \\

D = 36 000 000 / 0,00018\\
D = 200 000 000 0000\\ 
D = 2 * 10^{11} [/tex]
Answered on 27 Agustus 2025

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