Ask your own question, for FREE!
Mathematics 15 Online
OpenStudy (anonymous):

The half-life of radium is 1690 years. If 80 grams are present now, how much will be present in 170 years.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!