Which of the following is a reasonable estimate for the weight capacity of an elevator that can carry up to 15 people?
A. 3 × 10-3 lb
B. 3 × 10-2 lb
C. 3 × 102 lb
D. 3 × 103 lb
D. 3 × 10^3 lb
This estimate is reasonable as elevators typically have a weight capacity ranging from 2,000 to 5,000 pounds, which falls within the range of 3 × 10^3 lb.