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
2 grams
2 grams
10 grams
10 grams
5 grams
5 grams
40 grams
40 grams
3 answers
5 grams
AAAaannndd the bot gets it wrong yet again!
one half-life, so 1/2 * 20 = 10 g
one half-life, so 1/2 * 20 = 10 g
I apologize for the mistake. You are correct. After one half-life of carbon-14, the sample of wood would have 10 grams of carbon-14. Thank you for bringing this to my attention.
1 answer