As of 2013, Around How Many Kindles of All Types

question 22

Multiple Choice

As of 2013, around how many Kindles of all types have been sold in the United States?

• A)8 million
• B)80 million
• C)800 million
• D)8 billion

Recognize the benefits and necessity of trade in an economy.

Describe how individual choices and market demands interact and influence economic outcomes.

Analyze the role of government policies in changing spending patterns and improving welfare.

Comprehend the relationship between resource scarcity, choice, and opportunity cost in economic decisions.

---

Definitions:

Dimethylbutane

An organic compound with the formula C6H14, a type of alkane that is used as a fuel.

Dimethylpentane

An isomer of hexane, used as a reference fuel in octane rating and found in various petroleum distillates.

Ethylbutane

A chemical compound that is a structural isomer of octane, with the formula C6H14.

Tetramethylbutane

An organic compound with a formula of C8H18, known as a highly branched alkane used in chemical research and applications.