The Half-Life of a Certain Radioactive Substance Is 8 Years

question 61

Multiple Choice

The half-life of a certain radioactive substance is 8 years. What is the yearly percentage decay rate for this substance?

• A) 6.51%
• B) 8.3%
• C) 9.22%
• D) 6.25%

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Definitions:

Organization Corollary

A principle within George Kelly's personal construct theory that suggests individuals organize their experiences into hierarchies or systems of constructs.

Hierarchy

An ordered system or body in which members or divisions are classified above or below others based on their authority or standing.

Modulation Corollary

The understanding that individuals modify their personal constructs (perceived interpretations of the world) over time based on new experiences.

Range Corollary

A principle in George Kelly's personal construct theory which states that each construct applies to a finite range of events and is limited in its applicability.