An old bone contains 80% of its original carbon-14. Use the half-life model to find the age of the bone. Find an equation equiva
lent. How old is the bone
2 answers:
Answer:
Part 1 = C. (the LAST one) /// Part 2 = 0.8 ////// Part 3 = B. (about 1,845 years)
Step-by-step explanation:
theyre all correct.
Answer:
An old bone contains 80% of its original carbon-14 in 1844.6479 years
Step-by-step explanation:
We know that
half life time of C-14 is 5730 years
so, h=5730
now, we can use formula

we can plug back h
and we get

An old bone contains 80% of its original carbon-14
so,
P(t)=0.80Po
we can plug it and then we solve for t





So,
An old bone contains 80% of its original carbon-14 in 1844.6479 years
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