As our knowledge continues to grow, what we know continues to be in agreement with Scripture.
Radiocarbon ages less than 3,500 years old are probably accurate.
Half of it will decay in about 5,730 years to form nitrogen.
Half of the remainder will decay in another 5,730 years, and so on.
The samples were from a mile below the earth, which, according to inflated evolutionary years, were 1.5 billion years old.