An airplane flight from Houston, Texas to Rome, Italy is 5,686 miles. Estimate the distance between the two cities as the product of a single digit number times a power of 10.

5 x 10^(4)

6 x 10^(3)

6 x 10^(4)

5 x 10^(3)

The correct estimate for the distance between Houston, Texas and Rome, Italy as the product of a single digit number times a power of 10 is 6 x 10^(3).