The Half-Life of Carbon-14 Is Approximately 5,700 Years

Multiple Choice

The half-life of Carbon-14 is approximately 5,700 years.Using this information scientists have been able to determine the age of some artifacts left by humans.A scientist wants to know approximately how old a piece of wood was that she found on the floor in an old cave that had recently been discovered.She removed the wood (with permission) to her laboratory.Her wood sample contained 2 grams of Carbon-14.If the age of the wood was determined to be 22,800 years old,how much Carbon-14 originally existed in this piece of wood?

A) 32 grams
B) 16 grams
C) 12 grams
D) 8 grams
E) 4 grams