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10 January, 21:53

If you have 200 grams of a radioactive sample, how many grams would be left after three half-lives?

Select one:

a. 200

b. 150

c. 50

d. 25

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Answers (1)
  1. 10 January, 22:38
    0
    Well, after 1 half life, depending on whatever the amount is, 50% of the original content and or remaining content will undergo decay, as it is unstable.

    Original content - 200g

    1 half life - 100 g

    2 half life - 50 g

    3 half life - 25 g

    The correct solution would be D. 25 g.
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