Carbon-14 has a half-life of 5,730 years. A fossil is found that has 22% of the carbon-14 found in a living sample. How old is the fossil? (Round your answer to the nearest year.)

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1