In the Formula A(t) A ( t ) = A _ { n e ^{k t}> }

question 241

Multiple Choice

In the formula A(t) A ( t ) = A _ { n e ^{k t}> } , A is the amount of radioactive material remaining from an initial amount A0 at a given time t, and k is a negative constant determined by the nature of the material. An artifact is discovered at a
Certain site. If it has 59% of the carbon-14 it originally contained, what is the approximate age of the artifact?
Carbon-14 decays at the rate of 0.0125% annually. Round to the nearest year, if necessary.

• A) 3280 years
• B) 4221 years
• C) 4720 years
• D) 1833 years

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