The stem of a flower has a diameter of 6.35 × 10^–3 meters. The diameter of the trunk of a tree is 40 times greater than the stem of the flower. What is the diameter of the trunk of the tree?

2.54 × 10^–2 meter

2.54 × 10^–1 meter

2.54 × 10^1 meters

2.54 × 10^2 meters