The radioactive substance cesium-137 has a half-life of 30

Last updated: 7/15/2022

The radioactive substance cesium-137 has a half-life of 30 years. The amount A (r) (in grams) of a sample of cesium-137 remaining after years is given by the following exponential function. A (t)=381 Find the initial amount in the sample and the amount remaining after 50 years. Round your answers to the nearest gram as necessary. Kimb 30