What is the common ratio for the sequence 3, 15, 75

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.

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl

98 point question what is the record for most points in one