If an Isotope Has a Half- Life of 4 Million

question 40

Multiple Choice

If an isotope has a half- life of 4 million years,and a fossil is 16 million years old,how much of the original isotope will be found in the fossil?

• A)one- eighth of the original amount
• B)one- quarter of the original amount
• C)one- sixteenth of the original amount
• D)half the original amount

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Definitions:

Total Utility

The total satisfaction or benefit derived by a consumer from consuming a particular quantity of goods or services.

Marginal Utility

The additional satisfaction or utility that a person receives from consuming an additional unit of a good or service.

Marginal Utility

The additional satisfaction or utility that a consumer gains from consuming one more unit of a good or service.

Consumer Surplus

The difference between the total amount that consumers are willing and able to pay for a good or service and the total amount they actually pay.