What Is the Proper Answer and Number of Significant Figures

question 47

Multiple Choice

What is the proper answer and number of significant figures for the following calculation: 2.80 × 4.2?

• A) 11.7
• B) 11.76
• C) 12.0
• D) 1.2 × 10¹
• E) None of these

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Definitions:

Constant-Cost Industries

Industries where the costs of production do not change as the total output increases or decreases.

Economic Efficiency

A state where resources are allocated in a way that maximizes the production of goods and services.

Constant-Cost Industry

An industry in which the costs of production, including input prices, do not change as the industry's output changes.

Unit Price

The cost assigned to a single unit of a product or service, making it easier to compare the value of similar products or services.