Jessica is on the swim team. Each week she swims a total of 4,000 meters. How many kilometers does she swim each week?

To convert meters to kilometers, divide the number of meters by 1000 since there are 1000 meters in a kilometer.

4000 meters / 1000 = <<4000/1000=4>>4 kilometers.
Jessica swims 4 kilometers each week. Answer: \boxed{4}.

To convert meters to kilometers, we need to divide the number of meters by 1000 because there are 1000 meters in 1 kilometer.

So, to find the number of kilometers Jessica swims each week, we can divide 4000 by 1000:

4000 meters รท 1000 = 4 kilometers

Therefore, Jessica swims 4 kilometers each week.

To find out how many kilometers Jessica swims each week, we need to convert the distance from meters to kilometers. There are 1,000 meters in 1 kilometer. So, to convert 4,000 meters to kilometers, divide 4,000 by 1,000:

4,000 meters / 1,000 = 4 kilometers

Therefore, Jessica swims 4 kilometers each week.