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balandron [24]
3 years ago
6

Radium-226, a common isotope of radium, has a half-life of 1,620 years. How many grams of a 120-gram sample will remain after t

years?
Mathematics
2 answers:
Elina [12.6K]3 years ago
8 0

For the first part it’s A

For the second part it’s 115 years

ankoles [38]3 years ago
4 0

Answer:

P(t)=120(1/2)^t/1620

Step-by-step explanation:

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