Question

a piece of wood
3. Carbon-14 has a half-life of 5720 years and this is a first-order reaction
has converted 75% of the carbon-14, then how old is it?
A) 11440 years
B) 2375 years
C) 4750 years
D) 4290 years​

Answer 1

Answer:

buddy here's the answer

Explanation:

4290 years

now see

5720÷100=57.2

57.2×75=4290