The half-life of Radium-226 is 1600 yr. The decay model A(t)

Last updated: 7/16/2022

The half-life of Radium-226 is 1600 yr. The decay model A(t) 70e-0.000433t describes the amount of Radium-226 present after t years for a sample of 70 g. How many grams of Radium-226 will remain after 2000 yr? Round to two decimals.