Plutonium-239 Is Used as a Fuel for Some Nuclear Reactors

question 22

Multiple Choice

Plutonium-239 is used as a fuel for some nuclear reactors and also as the fissionable material in atomic bombs. It has a half-life of 24,400 years. How long will it take 12 grams of plutonium-239 to decay to 2 grams ?
Round your answer to the nearest hundreds.

• A)31,600 years
• B) 15,800 years
• C) 126,200 years
• D) 63,100 years
• E) 63,200 years

---

Definitions:

Sherman Act

A foundational antitrust law in the United States that prohibits monopolies, attempts to monopolize, and other practices that restrain interstate commerce and trade.

Monopoly Power

The ability of a monopoly to dictate what takes place in a given market.

Antitrust Violation

An offense under laws intended to protect trade and commerce from abusive practices such as monopoly, restraint of trade, and unfair business practices.

Social Media Site

A website or platform that enables users to create and share content or participate in social networking.