An Archaeologist Finds the ¹⁴C in a Sample of 3

question 23

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 years.How old is the sample?

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

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Definitions:

Grapevine

An informal channel of communication within an organization, relying on social networks rather than official routes of communication.

Rumor

An unverified piece of information, story, or report of uncertain origin that spreads from person to person, often fueled by speculation.

Probability Chain

A sequence of events linked by the likelihood of one event leading to another, used in the analysis of outcomes and decisions.

Randomly Contacting

The act of reaching out to individuals or entities without a predetermined pattern or selection criteria, often used in research, marketing, or networking practices.