If Carbon-14,a Beta Emitter with a Half-Life of 5730 Years,makes

question 29

Multiple Choice

If Carbon-14,a beta emitter with a half-life of 5730 years,makes up one out of 10¹² Carbon atoms in nature,how many decays per second are there in a 15 kg bag of charcoal (taken to be 100% carbon) ?

• A)1720
• B)2010
• C)2480
• D)2890
• E)None are correct.

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Definitions:

Mexican Demand Curve

A graphical representation showing the quantity of goods that consumers in Mexico are willing and able to purchase at various prices.

U.S. Dollars

The official currency of the United States, widely used as a standard of exchange in international markets.

Pesos

The currency unit used in several countries, notably Mexico and Argentina, among others.

U.S. Demand

This term generally refers to the total demand for goods and services within the United States from all sources, including households, businesses, and the government.