No 20.0000004 cannot be rational.
Answer:

Step-by-step explanation:

Answer:
Expanded: 3,000,000- 800,000- 60,000- 2,000- 700- 90- 5
Standard: 386,2795
Hope this helps!!
There are several information's that are already given in the question. Based on those information's the answer to the question can be easily deduced.
Weight of 4 gallons of gasoline = 25 pounds
Then
Weight of 1 gallon of gasoline = 25/4 pounds
= 6.25 pounds
From the above deduction, we can easily conclude that the unit rate in pounds per gallon of gasoline is 6.25 pounds/gallon. I hope the answer helps you.
Answer:

Step-by-step explanation: