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13 June, 20:17

A radioactive material has a half-life of 12 years. If 250 grams of this material were present

to start, how much will remain in four years?

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Answers (2)
  1. 13 June, 22:33
    0
    Step-by-step explanation:

    30 * (0.5) ^ (48/10.5) grams

    = 1.262 grams.
  2. 13 June, 23:30
    0
    The amount will be 75 I just did it
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