Which statement is true?
A. 5 x 103 is 1,000,000 times as great as 5 x 10-2.
B. 5 x 103 is 100,000 times as great as 5 x 10-2.
C. 5 x 103 is 10,000 times as great as 5 x 10-2.
D. 5 x 103 is 1,000 times as great as 5.x 10-2.