How much of a radioactive kind of bromine will be left after 140 hours if the half-life is 35 hours and you start with 864 grams

Question

siniylev [52]

3 years ago

7

How much of a radioactive kind of bromine will be left after 140 hours if the half-life is 35 hours and you start with 864 grams

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Mathematics

1 answer:

Anna [14] · Answer 1 · 2022-03-08T04:28:51+03:00

Answer:

1, Because the half-life is 6 hours, the initial amount is halved every 6 hours. Due to the total of 18 hours, the starting amount will be divided by 2 (halved) three times. You will then have one-sixth of the original amount, which is 384 grams divided by six equals 48 grams.

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