{"id":16374,"date":"2022-08-11T10:57:49","date_gmt":"2022-08-11T13:57:49","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/how-to-format-a-research-paper-copy\/"},"modified":"2023-07-17T13:10:39","modified_gmt":"2023-07-17T16:10:39","slug":"how-to-write-in-scientific-notation","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/fr\/comment-ecrire-dans-une-notation-scientifique\/","title":{"rendered":"Comment \u00e9crire en notation scientifique avec des exemples"},"content":{"rendered":"<p>La notation scientifique est une m\u00e9thode d'\u00e9criture de nombres extr\u00eamement grands ou minimes qui facilite les comparaisons et les calculs. <\/p>\n\n\n\n<p>Les nombres entiers n'ont pas de limites, mais nous ne pouvons pas \u00e9crire un nombre aussi grand sur papier. De plus, apr\u00e8s la virgule, il y a des nombres \u00e0 la place des trillions qui doivent \u00eatre repr\u00e9sent\u00e9s de mani\u00e8re plus concise. Il est donc difficile d'\u00e9crire quelques nombres dans leur format \u00e9tendu. Par cons\u00e9quent, nous utilisons la notation scientifique comme m\u00e9thode d'expression de ces valeurs. <\/p>\n\n\n\n<p>Par exemple, les scientifiques, les math\u00e9maticiens et les statisticiens peuvent tenter de d\u00e9composer de grandes \u00e9quations en de plus petites, afin de pouvoir les calculer facilement. S'ils utilisent la notation scientifique pour \u00e9crire des nombres complexes, ils auront plus de facilit\u00e9 \u00e0 les lire et \u00e0 les comprendre. <\/p>\n\n\n\n<p>Vous pouvez convertir des nombres en notation scientifique en les assemblant dans une \u00e9quation simple. Apprenez ce qu'est la notation scientifique et comment \u00e9crire des nombres dans cette notation \u00e0 l'aide d'exemples dans cet article.<\/p>\n\n\n\n<h2><strong><strong>Utiliser la notation scientifique pour \u00e9crire les nombres<\/strong><\/strong><\/h2>\n\n\n\n<p>Le moyen le plus efficace d'observer les plan\u00e8tes, les \u00e9toiles et les autres entit\u00e9s c\u00e9lestes situ\u00e9es dans la galaxie est d'utiliser des lentilles t\u00e9lescopiques. \u00c0 titre d'exemple, le corps c\u00e9leste le plus proche de la Terre se trouve \u00e0 une distance d'environ 30,00,000,000,000 miles.<\/p>\n\n\n\n<p>Par ailleurs, les biologistes utilisent des microscopes pour observer les structures cellulaires, les micro-organismes et d'autres esp\u00e8ces. Une cellule, par exemple, mesure environ 0,0000001 m\u00e8tre. En math\u00e9matiques, les \u00e9quations de base sont souvent calcul\u00e9es avec la notation scientifique. Elles permettent de calculer la masse, la vitesse et la distance de diff\u00e9rents objets. \u00c0 quoi ressemblerait la notation scientifique de ces nombres ?<\/p>\n\n\n\n<p>Pour pr\u00e9senter une solution pr\u00e9cise, certains facteurs de notation scientifique doivent \u00eatre pris en compte. Le calcul de la notation scientifique fait intervenir les \u00e9l\u00e9ments suivants :<\/p>\n\n\n\n<ul class=\"has-white-color has-text-color has-background\" style=\"background-color:#dc1866\">\n<li>Coefficient : D\u00e9termin\u00e9 en d\u00e9pla\u00e7ant un point d\u00e9cimal un certain nombre de fois. Un coefficient de un ou moins de dix doit \u00eatre inf\u00e9rieur ou \u00e9gal \u00e0 un.<\/li>\n<\/ul>\n\n\n\n<ul class=\"has-white-color has-text-color has-background\" style=\"background-color:#dc1866\">\n<li>Il y a toujours une base de 10. En multipliant l'exposant par 10, on obtient la solution finale.<\/li>\n<\/ul>\n\n\n\n<ul class=\"has-white-color has-text-color has-background\" style=\"background-color:#dc1866\">\n<li>Un coefficient d\u00e9cimal est form\u00e9 en d\u00e9pla\u00e7ant une d\u00e9cimale plusieurs fois pour former un exposant, qui peut \u00eatre positif ou n\u00e9gatif.<\/li>\n<\/ul>\n\n\n\n<ul class=\"has-white-color has-text-color has-background\" style=\"background-color:#dc1866\">\n<li>Les exposants et les bases sont combin\u00e9s pour d\u00e9terminer la puissance de dix. Le total de ces nombres est \u00e9gal \u00e0 la notation scientifique.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center\"><strong>a \u00d7 10b ; 1 \u2264 a &lt; 10<br>6500000= 6,5(coefficient) x 10 (base)<sup>6 (exposant)<\/sup><\/strong><\/p>\n\n\n\n<p>Si vous entrez vos nombres dans une \u00e9quation, vous trouverez la notation scientifique. L'utilisation de la notation scientifique est aussi simple que de suivre les \u00e9tapes ci-dessous :<\/p>\n\n\n\n<ul class=\"has-white-color has-text-color has-background\" style=\"background-color:#dc1866\">\n<li>Rep\u00e9rez la position d'origine de la d\u00e9cimale.<\/li>\n<\/ul>\n\n\n\n<ul class=\"has-white-color has-text-color has-background\" style=\"background-color:#dc1866\">\n<li>Les nombres positifs ou n\u00e9gatifs sont interpr\u00e9t\u00e9s.<\/li>\n<\/ul>\n\n\n\n<ul class=\"has-white-color has-text-color has-background\" style=\"background-color:#dc1866\">\n<li>Ajoutez et soustrayez jusqu'\u00e0 ce que vous obteniez un nombre compris entre un et dix apr\u00e8s avoir d\u00e9plac\u00e9 la virgule.<\/li>\n<\/ul>\n\n\n\n<ul class=\"has-white-color has-text-color has-background\" style=\"background-color:#dc1866\">\n<li>Il faut compter le nombre de fois o\u00f9 la d\u00e9cimale a \u00e9t\u00e9 d\u00e9plac\u00e9e.<\/li>\n<\/ul>\n\n\n\n<ul class=\"has-white-color has-text-color has-background\" style=\"background-color:#dc1866\">\n<li>Pr\u00e9sentez votre notation scientifique finale apr\u00e8s avoir entr\u00e9 les chiffres dans l'\u00e9quation.<\/li>\n<\/ul>\n\n\n\n<p>En notation scientifique, les grands et les petits nombres suivent les m\u00eames r\u00e8gles. Seule la fa\u00e7on dont la d\u00e9cimale se d\u00e9place fait une diff\u00e9rence. Si vous d\u00e9placez la d\u00e9cimale vers la gauche, vous ajoutez la position de l'exposant \u00e0 la d\u00e9cimale. Si vous d\u00e9placez la d\u00e9cimale vers la droite, vous soustrayez la position de l'exposant \u00e0 la d\u00e9cimale.&nbsp;<\/p>\n\n\n\n<h3><strong>Exemple 1<\/strong><\/h3>\n\n\n\n<p><strong>65 000 en notation scientifique<\/strong><\/p>\n\n\n\n<p>Tout d'abord, d\u00e9placez la d\u00e9cimale de quatre places entre le six et le cinq lorsque vous \u00e9crivez ce nombre en notation scientifique. En raison du d\u00e9placement de la d\u00e9cimale de 4 places vers la gauche, l'exposant sera augment\u00e9.&nbsp;<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-background\" style=\"background-color:#c5c7c9\"><em>La r\u00e9ponse est 6,5 x 10<sup>4<\/sup>&nbsp;<\/em><\/p>\n\n\n\n<h3><strong>Exemple 2<\/strong><\/h3>\n\n\n\n<p>&nbsp;<strong>0,00065 en notation scientifique<\/strong><\/p>\n\n\n\n<p>Pour \u00e9crire ce nombre en notation scientifique, vous devez d'abord d\u00e9placer la d\u00e9cimale de quatre places du 6 au 5 dans le nombre original. La d\u00e9cimale sera d\u00e9plac\u00e9e de quatre places vers la droite, ce qui entra\u00eenera une soustraction de l'exposant. En raison de l'absence d'exposant, utilisez l'exposant 0.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-background\" style=\"background-color:#c5c7c9\"><em>La r\u00e9ponse est 6,5 x 10<sup>-4<\/sup><\/em><\/p>\n\n\n\n<h2><strong>Am\u00e9liorez votre document de recherche avec des infographies !<\/strong><\/h2>\n\n\n\n<p>Le souci du d\u00e9tail est essentiel pour optimiser votre article et le faire accepter par les meilleures revues. Les infographies sont d'excellents outils pour mettre en valeur les articles et les documents de recherche (lisez notre article sur les infographies). <a href=\"https:\/\/mindthegraph.com\/blog\/animal-cell-diagram\/\">blog<\/a> pour en savoir plus). Avec Mind The Graph, vous pouvez cr\u00e9er des articles visuellement attrayants en utilisant des mod\u00e8les d'infographie. Visitez <a href=\"https:\/\/mindthegraph.com\/\">nous<\/a> pour plus d'informations !<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Comment cr\u00e9er des graphiques \u00e9tonnants\" width=\"800\" height=\"600\" src=\"https:\/\/www.youtube.com\/embed\/WKtK4VPIx6A?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Il est maintenant temps d'apprendre ce qu'est la notation scientifique et comment \u00e9crire les nombres dans cette notation en utilisant les exemples de cet 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