On considère les nombres suivants:
C= (-2)x10(exposant -3) x9x10(exposant12)x25x10(exposant-9)
Mettre C sous la forme d'une écriture scientifique

By: USER8246
28 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
On considère les nombres suivants:
C= (-2)x10(exposant -3) x9x10(exposant12)x25x10(exposant-9)
Mettre C sous la forme d'une écriture scientifique
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Answer (163)

Best Answer
(86)
bonjour

c= ( -2) * 10⁻³ * 9 * 10¹² * 25*10⁻⁹
C = -43*10⁰
C = - 43
Answered on 28 Agustus 2025
(166)
Bonsoir , 
C = (-2) × 10⁻³ ×  9 × 10¹² × 25 × 10⁻⁹
C = (-2) × 9 × 25 × 10⁻³⁺¹²⁻⁹
C = -450 × 10⁰
C = -450 × 1 
C = -4,5 × 10²
Answered on 28 Agustus 2025

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