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Need help with question 4b please show work 4. An original sample of carbon-14 has a mass of 4.00 x 102 ng. How much of

Need help with question 4b please show work

4. An original sample of carbon-14 has a mass of 4.00 x 102 ng. How much of that sample would be left after Project 3 281 SCIH 036 a. 28,650 yr? (5 pts) b. 51,570 yr? (5 pts)

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