Question

The half-life of carbon-14 is 5,730 years. Suppose a fossil is found with 20 percent as much of its carbon-14 as compared to a living sample. How old is the fossil?

Answer 1

what do you thin we can eliminate?

Answer 2

the last one

Answer 3

ok and are you sure these are the correct answer choices?

Answer 4

ya

Answer 5

ok

Answer 6

what else can we eliminate?

Answer 7

a

Answer 8

ok ya i think you can

Answer 9

so
what are we left with?

Answer 10

c