Answer:
I believe it's the third option
I could be wrong, so sorry if it's not correct.
Step-by-step explanation:
By definition, we have that the conversion of a US gallon to liters is given by:
1 liter = 3.78541 gallons
Therefore, we can apply the following rule of three:
1 liter ---------------------> 3.78541 gallons
5100 liters --------------> x
Clearing x we have:

two significant figures:
Answer:
The lung capacity of the blue whale is:
Answer:
On the first one, they took half of the original number then added it to the original to get the sides of the bigger shape.
Step-by-step explanation:
In the drawing the base picture shows two squares on next to each other
The side picture shows three squares, one next to other and one above the square that right most.
The front picture shows two one square above other square.
The three dimensional figure that corresponds to those three view is a set of three boxes two in the base and one above one of the boxes of the base.