dbenitezmontoya3
24.01.2021 •
Mathematics
A certain radioactive substance decays from 100000 grams to 1000 grams in 34 days. What's it's half-life ?
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Ответ:
Half life of the radioactive element is 5 days.
Step-by-step explanation:
Formula to get the final amount after the radioactive decay in 't' days,
Here = Initial amount
λ = Decay constant
t = duration of decay
= Final amount
0.01 =
ln(0.01) =
-4.6052 = -34λ
λ = 0.13544
Since, λ =
= 5.11
≈ 5 days
Therefore, half life of the radioactive element is 5 days.
Ответ: