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Fynjy0 [20]
2 years ago
8

if a sample contains 20g of an isotope that has a half life of 1000 years how much will be left after 2000 years

Biology
2 answers:
GarryVolchara [31]2 years ago
8 0
5 grams will be left. After the first 1000 years, there will be half of 20 left, or 10. After 2000 years, half of 10 will remain, which is 5.
Vladimir [108]2 years ago
7 0

Answer:

5g

after 1000 we will have 20/2 which is 10

after 2000 we will have 10/2 which is 5

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