Barium-131 is a radioactive isotope of the element barium used for gastrointestinal tract scans in doctors offices. barium-131 has a half-life of 10 days. if a patient drinks 2 grams of barium-131 how much of the isotope will be left after 10 days?

positive reinforcement? ?

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1. go on google and write

2 open this and click on your profile pic and if your profile is not appearing, then u have to log in.

3. when u click on your profile pic, there appears four options on the top.

4. click on the 1st option and scroll down and go at the bottom.

5. click on edit profile.

6. there appears a option 'prefernces' and at that option at the right side , 'edit' is written.

7. click on the edit option.

8. there is a option " i want to delete my account" and click on that.

hope this u

and ur welcm

: )