Question

During one month mike used 685 gallons of water at his home. There are approximately 3.8 liters in 1 gallon. Which measurement is closet to liters mike used?

Answer 1

Explanation:

Comment

This is a question that needs choices. I will go by sig digits.

Givens

1 gallon = 3.8 liters.

685 gallons were used.

Formula

1 gallon 685 gallons

====== = ==========

3.8 liters x

Solution

1/3.8 = 685/x Cross multiply

1*x = 685*3.8

x = 2603 liters. There are 2 significant digits in 3.8. So round to 2 places.

Answer

Liters = 2600 Liters