How can found thw length of arectngle

Write a recursive sequence that represents the sequence defined by the following explicit formula:

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

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?