An Archaeologist Finds the 14C in a Sample of 2

question 34

Multiple Choice

An archaeologist finds the 14C in a sample of 2.10 g of material to be decaying at 107 Bq. A modern 1.00-g sample of the same material decays at 151 Bq,and assume this rate has also held in
The past. The half-life of 14C is 5730 years. How old is the sample?

• A) 8980 years
• B) 8530 years
• C) 6230 years
• D) 17,000 years

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Definitions:

Stated Interest Payment

The amount of interest that a bond or loan promises to pay to its holder, usually expressed as an annual percentage of the principal.

Coupon

The interest rate paid by a bond, typically expressed as an annual percentage of the bond's face value.

Income Bond

A type of debt security that only pays interest if the issuer has sufficient earnings.

Semi-annual

Occurring two times a year, generally spaced six months apart.