Nuclear decay occurs according to first-order kinetics. Cobalt-60 decays with a rate constant of 0. 131 years–1. After 5. 00 years, a sample has a mass of 0. 302 g. What was the original mass of the sample?.

When creating visuals, a journalist should

Which of the following statements is the best answer regarding training for struck by hazard

Mr. chiu made a dot plot after asking his students a question. based on the dot plot, which statements are correct? check all that apply. eleven students answered mr. chiu's question. twelve students answered mr. chiu's question. three people studied for two hours. three people studied for three hours. everyone who responded studied for at least one hour. four people studied for four or more hours