Welcome to Westonci.ca, where you can find answers to all your questions from a community of experienced professionals. Explore thousands of questions and answers from a knowledgeable community of experts ready to help you find solutions. Our platform provides a seamless experience for finding reliable answers from a network of experienced professionals.

A sample of a radioactive isotope had an initial mass of 860 mg in the year 2010 and decays exponentially over time. A measurement in the year 2013 found that the sample's mass had decayed to 570 mg. What would be the expected mass of the sample in the year 2022, to the nearest whole number?