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        <lastmod>2024-09-19T08:53:13.665113992Z</lastmod>
        
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            <Attribute name="title">Multiplier des multiples de puissances de 10</Attribute>
            <Attribute name="description">On calcule (9 × 10^9) (-2 × 10^-3) en multipliant les nombres entre eux, 9 × (-2), et les puissances de 10 entre elles, 10^9 × 10^-3, en utilisant les règles de calcul sur les puissances.</Attribute>
            
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            <video:title>Multiplier des multiples de puissances de 10</video:title>
            <video:description>On calcule (9 × 10^9) (-2 × 10^-3) en multipliant les nombres entre eux, 9 × (-2), et les puissances de 10 entre elles, 10^9 × 10^-3, en utilisant les règles de calcul sur les puissances.</video:description>
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            <video:category>La notation scientifique - Définitions</video:category>
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