On se propose de trouver une méthode simple pour comparer les quotients \[ \frac{53658}{101625} \text { et } \frac{49698}{94125} \] (a) Effectuer la division \( 53658 \div 101625 \) pour trouver la valeur exacte de (b) Effectuer la division \( 49698 \div 94125 \) pour trouver la valeur exacte de (c) Que constate-t-on?

c) \( 3,23-3,23= \)

b) \( -5: \frac{10}{3}+\frac{10}{4} \)

Convince Me! Use Structure Dario says, "I can find \( 9 \times 0<3 \times 1 \) without computing. I can think about properties that I know." What could he mean?

Write each decimal as a percent. \( \begin{array}{l}\text { 10. } 3.9 \\ \text { 11. } 81\end{array} \) \( \begin{array}{ll}\text { 18. } 6.75 & \text { 14. } 2.81 \\ \text { 16. } 0.0046 & \text { 17. } 0.0069\end{array} \) Write each number as a percent.

5.-Realiza las siguientes operaciones dando el resultado como fracción: \[ \begin{array}{lll}\text { a) } 3,6+\frac{4}{5}-2,08= & \text { b) } 0,3+\frac{2}{9}-0,7= & \text { c) } 3,23-3,23=\end{array} \]