Problem

The isotope Carbon-14 has a half-life of 5,730 years. How many years must pass for a sample of Carbon-14 to break down to ¼ of its original amount?

a) 5,730 years

b) 17,190

c) 11,460

d) 2,865

A

5,730 years

B

17,190

C

11,460

D

2,865

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