Mars is the closest planet to Earth. Both Mars and Earth have different orbital speeds around the sun, but when Mars is closest to Earth it is still 55,000,000 km away. How far is this in miles? How far is this in light-years?

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