An Archaeologist Finds the ¹⁴C in a Sample of 3

question 51

Multiple Choice

An archaeologist finds the ¹⁴C in a sample of 3.10 g of material to be decaying at 107 counts per second. A modern 1.00-g sample of the same material decays at 151 counts per second. The half-life of ¹⁴C is 5730 y. How old is the sample?

• A) 12,200 y
• B) 8460 y
• C) 25,100 y
• D) 12,600 y

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Definitions:

Rescindable

Refers to a contract or deal that can be legally canceled or revoked.

Voidable

A contract or act that is voidable can be legally declared invalid by one of the parties involved, often due to reasons such as fraud or coercion.

Implied-In-Law

A legal term referring to rights or obligations that are enforced by a court, not because of an agreement or contract, but to avoid injustice.

Implied-In-Fact

A contract formed by the circumstances or conduct of the parties involved, rather than written or spoken words.