Dr. stewart just started an experiment. she will collect data for 4 days. how many hours is this?

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

This is so hard and it’s for a test

Someone me what is the area of this figure? 18m 18m 8m 16m