The Half-Life of Cesium-137 Is 30 Years

question 25

Multiple Choice

The half-life of cesium-137 is 30 years.Suppose we have a 170-mg sample.How much of the sample remains after 140 years?

---

Definitions:

Social Media

Social media encompasses digital platforms that facilitate creation, sharing, and exchange of content and ideas among users, impacting both personal and collective experiences.

Open-ended

Questions or formats that allow respondents to answer in their own words, providing qualitative depth and insight.

Respondents

Individuals who answer or reply to surveys, questionnaires, or studies.

Insight

The capacity to gain an accurate and deep understanding of a person or situation, often leading to a breakthrough or solution.