EXERCICE 2 - AFRIQUE DU NORD 2001 On considère le nombre : \[ F=\frac{3 \times 10^{2} \times 1,2 \times 10^{-5}}{15 \times 10^{2}} \] Donner l'écriture scientifique du nombre \( F \).

4. Rewrite one of the factors as the sum of two terms in each expression and use the Distributive Property to verify each product. \( \begin{array}{ll}\text { (a) } 4 \times 17=68 & \text { (b) } 9 \times 34=306\end{array} \)

Exit Ticket Determine the answer to the following problem using a mod and using mathematical calculations. It takes \( 2 \frac{2}{3} \) cans of paint to paint a hallway. The painters have painted \( \frac{4}{5} \) of the hallway. How much paint have they used? (Thinking) (Application) (Communication)

Simplify \( \left(\frac{2}{7}\right)^{2} \)

1) An office needs 311 sticky labels. If there are 8 labels per page, how many pages of sticky labels should the office buy? 4)

Find the average of \( \frac{1}{5} \) and \( \frac{1}{4} \)