Register
I if a radioactive material has a 10 year half-life, how much of a 100 g sample will be left after 20 years? A. 50g B. 6.25g C. 12.50g D 25g​
170k views
0 votes
I if a radioactive material has a 10 year half-life, how much of a 100 g sample will be left after 20 years?

A. 50g
B. 6.25g
C. 12.50g
D 25g​

User Orta
by
5.2k points

1 Answer

5 votes
I believe the answer to your question is C) 12.50g.

Since it has a half life of 10 years and the question asks for 30 years all you need to do is divide 100 in half 3 times.

Hope this helps!! :))
User Aprasanth
by
5.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.8m questions

7.5m answers

Other Questions

Which of these structures is primarily responsible for the enzymatic breakdown of a large molecules in the cell?
What are some common signs and symptoms of mental health disorders?
Which statement BEST describes the relationship between adenosine diphosphate (ADP) and adenosine triphosphate (ATP)? A. With an input of energy, ADP rearranges to become ATP. B. Without any energy change,
A state of joyful activity in which the subject performs an action effortlessly and skillfully is known as a(n) __________.
!! Earth Science!! Carbon dioxide is normally approximately 2% fraction of the air in the atmosphere. The reason carbon dioxide is considered a pollutant is because... a) Carbon dioxide levels are much
Link Copied!