World consumption of lead is running at the rate of L(t) = 5.3e0.01 million metric tons per year, where t is measured in years and t
= 0 corresponds to 2000. If we assume no lead was being consumed Find a
formula for the total amount of lead that will be consumed within t years of
2000, and use it to determine the total amount of lead used from 2000-2015.
Round your answer to the nearest hundredths place in units of million metric
tons.