Martinez Peters
10/20/2023 · Primary School
Exercice 1 1) Compléter avec l'un des symboles : \( \epsilon ; \notin ; \subset \) ou \( \notin \) \( \{0 ;-7 ; 12\} \ldots \ldots \mathbb{N}^{*} ; \frac{5 \pi-\pi}{2 \pi-\pi} \ldots . \mathbb{Q} ;\left\{-1 ; \frac{18}{6} ; \sqrt{36} ;-7\right\} \ldots . \mathbb{Z} ; \frac{7}{3} \ldots \ldots \) ID 2) donner l'écriture scientifique : \( A=\frac{4 \times 300^{2} \times\left(2 \times 10^{-6}\right)^{-2}}{(0.01)^{-3}} \)
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**Exercice 1**
1) **Compléter avec les symboles :**
a) \( \{0, -7, 12\} \notin \mathbb{N}^{*} \)
b) \( \frac{5\pi - \pi}{2\pi - \pi} \in \mathbb{Q} \)
c) \( \left\{-1, \frac{18}{6}, \sqrt{36}, -7\right\} \subset \mathbb{Z} \)
d) \( \frac{7}{3} \in \mathbb{Q} \)
**Exercice 2**
2) **Écriture scientifique de \( A \):**
\( A = 9 \times 10^{10} \)
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