An Archaeological Sample Contains 0 $\times$ 10^-10/ Year $\times$ 10⁹ Years
B)1 $\times$

question 33

Multiple Choice

An archaeological sample contains 0.743 g of lead-206 and 2.145 g of uranium-238.Assume that all the lead now present in the rock came from the radioactive decay of the uranium and that no appreciable amounts of other radioactive nuclides are present in the sample.The decay rate constant for the uranium is 1.537 $\times$ 10^-10/ year.Determine the half-life of the uranium.

• A)4.509 \(\times\) 10⁹ years
• B)1.065 \(\times\) 10^-10 years
• C)depends on the age of the sample
• D)depends on the organic content of the sample
• E)two of these

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Definitions:

Oligopoly

A market structure characterized by a small number of firms whose decisions about production and pricing significantly affect each other.

Perfect Competition

A market structure characterized by a large number of small firms, identical products, and no barriers to entry or exit, leading to price determination by market forces.

Market Power

The ability of a firm or group of firms to influence the price of a product or the conditions of the market.

Inefficiency

The lack of economic efficiency, occurring when resources are not utilized optimally according to certain criteria.