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

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