krishawnnn
krishawnnn
04.08.2019 • 
Mathematics

Cobalt 60 has a half-life of about 5 years. how many grams of 300 g sample will remain after 20 years? 1. 0.0625 g 2. 9.375 g 3. 18.75 g 4. 37.5 g

Solved
Show answers

Ask an AI advisor a question