Answer: 3 gallons < 11.37 liters
Explanation:
First you want to convert gallons to liters (or liters to gallons).
3 gallons is equivalent to 11.356 liters.
As you can see, all digits up to the hundredths digit are equal, while the hundredths digit of 11.37 is greater than the hundredths digit in 11.356(3 gallons), meaning that 11.37 liters is greater than 3 gallons.
I hope this helps.