A Useful Rule of Thumb Called the "Rule of 70

question 22

Multiple Choice

A useful rule of thumb called the "Rule of 70" states that if something grows at a constant rate of Z percent per year,it doubles in size approximately every __________ years.

• A) 70 - Z
• B) 70/Z
• C) Z/70
• D) 70 × (Z/100)

---

Definitions:

Joint

The point at which two or more bones meet in the body, allowing for movement and flexibility.

Body Cavity

A hollow or space within the body that contains and protects internal organs, such as the chest or abdominal cavities.

Canal

A tubular passage or channel in the body for the conveyance of fluids or air, such as the ear canal.

Scope

The extent, range, or breadth of something, especially a project, research, discussion, or activity, outlining its limitations and objectives.