Question is in picture

asked Jul 17, 2022 124k views

4 votes

4.5k points

Please log in or register to add a comment.

4 votes

Answer:

Step-by-step explanation:

I believe it's 30 because half of 24 is 12 and that is its half life. And as you know it took 30 minutes to get there.

Cotten answered Jul 24, 2022

4.5k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.1m questions

6.7m answers