Score: 0 of 1 pt 8 of 8 (8 complete) X 5.2.47-PS A radioactive chemical has a decay rate of approximately 5% per year. Suppose that this chemical is released into the atmosphere each year for 12 yr at a constant rate of 4 lb per year. How much of this chemical will remain in the atmosphere after 12 yr? The amount of chemical remaining in the atmosphere is Ibs. (Type an integer or decimal rounded to the nearest hundredth as needed.)