An Archaeologist Finds the ¹⁴C in a Sample of

question 86

Multiple Choice

An archaeologist finds the ¹⁴C in a sample of 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:

Financial Statement

A formal record of the financial activities and position of a business, person, or other entity, typically including the balance sheet, income statement, and cash flow statement.

Normal Balance

The usual balance side (debit or credit) of an account, determined by the type of account, which helps in maintaining the double-entry accounting system.

Temporary/Permanent

Refers to the nature of differences affecting financial reporting; temporary differences resolve over time, whereas permanent differences do not.

Principal Plus

A term indicating the original amount of investment or loan plus any accrued interest or profits.