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Lead-202 has a half-life of 53,000 years. How long will it take for 15/16 of a sample of lead-202 to decay?.
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Lead-202 has a half-life of 53,000 years. How long will it take for 15/16 of a sample of lead-202 to decay?.

User Raz Ronen
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2 Answers

3 votes

Answer:

c. 212,000 years

Step-by-step explanation:

got it right on edge:3

User Nasruddin
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5.9k points
4 votes

Answer:

212 000 yrs

Step-by-step explanation:

15/16 decay means 1/16 is left

how many halflives is this?

(1/2)^n = 1/16

n = 4 half lives

4 half lives * 53 000 yr/ half life = 212 000 yrs

User Kramer
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