A dust particle weighs 7.42 × 10-10 kilograms. What is the weight of 5 × 106 dust particles represented in scientific notation?
A.
3.71 × 10-4 kilograms
B.
3.71 × 10-3 kilograms
C.
37.1 × 10-3 kilograms
D.
37.1 × 10-4 kilograms