Approximately How Old Is a Fossil That Has a Little

question 19

Multiple Choice

Approximately how old is a fossil that has a little more than 6% of its original radioactivity? The half-life of carbon-14 used in dating artifacts is 5700 years.

• A)57,000 years
• B)34,200 years
• C)20,000 years
• D)11,400 years
• E)5700 years

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Definitions:

Effective Interest Rate

The real rate of interest earned or paid on an investment, loan, or other financial product, accounting for the effects of compounding.

Bank Discounts

An interest deduction from the face value of a note, payable by the borrower at the time a loan is issued.

Reversing Entry

An accounting method used to reverse the impact of certain journal entries made in the previous accounting period for the sake of simplicity in future record keeping.

Interest Accrued

The accumulated interest on a loan or bond that has not yet been paid to the lender.