Answer:
-1
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
Answer:
2006 years old.
Step-by-step explanation:
If it had 50% of its carbon-14 it would be 5730 years old.
Since it has 65% left it is younger than 5730 years.
So it is (1 - 0.65) * 5730
= 2005.5 years old.
Answer:
A
Step-by-step explanation: