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5 February, 21:00

Carbon-14 has a half-life of 5370 years. This means that

after 5370 years half of the atoms have decayed.

How many years will it take for a quantity of carbon-14

to become 1/8 of its original size?

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Answers (1)
  1. 5 February, 22:07
    0
    a quantity of carbon - 14 will take 1342.5 years to become 1/8 of its original size.

    Step-by-step explanation:

    1/2 of the atoms decayed after 5370 years

    now half of (1/2 of) the atoms decayed after 5370 / 2 years

    i. e, 1/4 of the atoms decayed after 2685 years.

    again half of (1/4 of the atoms) decayed after 2685/2 years

    i. e, 1/8 of the atoms decayed after 1342.5 years.
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