A Sample Contains 60 Grams of Carbon $\left( { } ^ { 14 } C \right) . { } ^ { 14 } C$

question 21

Multiple Choice

A sample contains 60 grams of carbon $\left( { } ^ { 14 } C \right) . { } ^ { 14 } C$ has a half-life of 5715 years. How much ${ } ^ { 14 } \mathrm { C }$ remains after 1900 years? Round your answer to three decimal places.

• A) \(40.052\) grams
• B) \(47.651\) grams
• C) \(33.913\) grams
• D) \(19.948\) grams
• E) \(32.913\) grams

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