In an Average Year, the American Chemical Industry Produces More

Multiple Choice

In an average year, the American chemical industry produces more than 9.5 million metric tons of sodium carbonate. Over half of this is used in the manufacture of glass while another third is used in the production of detergents and other chemicals. How many pounds of sodium carbonate are produced annually?

A) 2.1 × 10 10 lb
B) 4.3 × 10 9 lb
C) 1.1 × 10 7 lb
D) 2.2 × 10 6 lb
E) 2.1 × 10 4 lb