If you have 294grams of a decaying isotope, how many grams will remain active after 4 half-lifes?

asked Sep 10, 2023 108k views

18 votes

5.3k points

Please log in or register to add a comment.

3 votes

Answer:

18.375 gm left

Step-by-step explanation:

1/2 ^4 = 1/16th will be left (see the '4' representing 4 half lives?)

294 * 1/16 = 18.375 gm

Cmaher answered Sep 16, 2023

5.6k points

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

6.0m questions

7.8m answers