Se una certa sostanza radioattiva ha un tempo di dimezzamento di 3 giorni, quanti grammi rimarranno da un campione di 80 grammi dopo 9 giorni?

parcial. 1. Nalor: 1.5 pts/ Si la función demanda de cierto artículo es \( p=120-4 q \), usando el análisis marginal para estimas el ingreso de vender la unidad 6 , el resultado es: A. 40 B. 20 C. 10 D. 80

Directions: Name all the sets of numbers to which each real number belongs. \( \begin{array}{ll}\text { 7. }-\sqrt{400}=-28 & \text { 8. }-0.15 \\ \text { 9. } \frac{7}{8} & 10.70\end{array} \)

List all the given numbers that are (a) integers, (b) rational numbers, (c) irrational numbers, (d) real numbers, and (e) imaginary numbers. \[ 9, \sqrt{-16}, \frac{\sqrt{2}}{4},-2,-\frac{\pi}{2}, \frac{1}{6},-\sqrt{-7},-2.99 \]

List all the given numbers that are (a) integers, (b) rational numbers, (c) irrational numbers, (d) real numbers, and (e) imaginary numbers. \[ 9, \sqrt{-16}, \frac{\sqrt{2}}{4},-2,-\frac{\pi}{2}, \frac{1}{6},-\sqrt{-7},-2.99 \]

Ejemplo 4 Encuentre los valores y vectores propios de la matriz \[ A=\left(\begin{array}{lll}2 & 1 & 0 \\ 0 & 2 & 0 \\ 0 & 0 & 2\end{array}\right) \] Solución.