Use this paragraph: The half-life of carbon-14 is 5,700 years. A certain sample of wood has 20 grams of carbon-14 when it is alive.
How many grams of carbon will it have after 5,700 years?
(1 point)
Responses
10 grams
10 grams
5 grams
5 grams
2 grams
2 grams
40 grams