Asingle a little bat can eat up to 1000 mosquitoes in a single hour express in scientific notation how many mosquitoes a little brown bat can eat in 10.5 hours

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