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16 Convertis les masses. \( \begin{array}{ll}\text { a. } 152 \mathrm{cg}=\ldots \mathrm{g} & \text { c. } 893 \mathrm{hg}=\ldots \mathrm{kg} \\ \text { b. } 458 \mathrm{hg}=\ldots \mathrm{g} & \text { d. } 4,5 \mathrm{t}=\ldots \mathrm{kg}\end{array} \)

Ask by Wood Bernard. in France
Jan 19,2025

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Answer

Voici les conversions simplifiées : a. \( 152 \, \text{cg} = 1,52 \, \text{g} \) b. \( 458 \, \text{hg} = 45\,800 \, \text{g} \) c. \( 893 \, \text{hg} = 89,3 \, \text{kg} \) d. \( 4,5 \, \text{t} = 4\,500 \, \text{kg} \)

Solution

Bien sûr, voici les conversions demandées : ### a. \( 152 \, \text{cg} = \ldots \, \text{g} \) **Conversion :** \( 1 \, \text{g} = 100 \, \text{cg} \) Donc, \( 152 \, \text{cg} = \frac{152}{100} \, \text{g} = 1,52 \, \text{g} \) **Réponse :** \( 152 \, \text{cg} = 1,52 \, \text{g} \) --- ### b. \( 458 \, \text{hg} = \ldots \, \text{g} \) **Conversion :** \( 1 \, \text{hg} = 100 \, \text{g} \) Donc, \( 458 \, \text{hg} = 458 \times 100 \, \text{g} = 45\,800 \, \text{g} \) **Réponse :** \( 458 \, \text{hg} = 45\,800 \, \text{g} \) --- ### c. \( 893 \, \text{hg} = \ldots \, \text{kg} \) **Conversion :** \( 1 \, \text{hg} = 0,1 \, \text{kg} \) Donc, \( 893 \, \text{hg} = 893 \times 0,1 \, \text{kg} = 89,3 \, \text{kg} \) **Réponse :** \( 893 \, \text{hg} = 89,3 \, \text{kg} \) --- ### d. \( 4,5 \, \text{t} = \ldots \, \text{kg} \) **Conversion :** \( 1 \, \text{t} = 1\,000 \, \text{kg} \) Donc, \( 4,5 \, \text{t} = 4,5 \times 1\,000 \, \text{kg} = 4\,500 \, \text{kg} \) **Réponse :** \( 4,5 \, \text{t} = 4\,500 \, \text{kg} \) --- N’hésitez pas si vous avez d’autres questions !

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Pour convertir les unités de masse, il est essentiel de savoir à quel facteur de conversion chaque unité correspond. Par exemple, 1 hectogramme (hg) est égal à 100 grammes (g), et 1 tonne (t) est égale à 1000 kilogrammes (kg). Maintenant, appliquons cela aux conversions demandées : a. \( 152 \mathrm{cg} = 1.52 \mathrm{g} \) (puisque 1 centigramme = 0.01 g) b. \( 458 \mathrm{hg} = 45800 \mathrm{g} \) (100 g dans un hectogramme) c. \( 893 \mathrm{hg} = 89.3 \mathrm{kg} \) (100 hg dans un kg) d. \( 4,5 \mathrm{t} = 4500 \mathrm{kg} \) (1 t = 1000 kg)

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