If a Radioactive Element Has a Half-Life of 10,000 Years

question 27

Multiple Choice

If a radioactive element has a half-life of 10,000 years, what fraction of it is left in a rock after 40,000 years?

• A) 1/2
• B) 1/4
• C) 1/8
• D) 1/16
• E) 1/32

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Definitions:

Social Support System

A network of family, friends, and peers that offer emotional, informational, and instrumental assistance.

Coworkers

Individuals who work together in the same organization or workplace, often collaborating on projects or tasks.

Neighbors

Individuals or entities that live or are located near one another, often implying a social relationship or spatial proximity in residential areas.

Social Support System

A social support system consists of a network of family, friends, and acquaintances who provide emotional, informational, and practical support.