3. Soluciona. Escribe una fracción que cumpla la condición dada.
a. La raíz cuadrada es mayor que 21.

b. La raíz cúbica es una fracción impropia.​

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours