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22-06-2021
Mathematics

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You have 88 grams of a radioactive kind of actinium. How much will be left after 44 years if its half-life is 22 years?

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wtiger22wood wtiger22wood

22-06-2021

Answer:

22 grams

Step-by-step explanation:

loses 50% of it's mass per 22 years

so after 22 years the mass would be 44 grams

22 years later would leave 50% of 44 grams = 22 grams

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