The half-life of carbon-14 is approximately 5700 years. An archaeologist unearths a piece of wood that is determined to have 83% of its carbon-14 remaining. Using carbon-12 dating techniques, approximately how old is the ancient
piece of wood that she located?
A)
approximately 675 years old
B)
approximately 1,550 years old
approximately 3,700 years old
D)
approximately one million years old