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3 years ago

12

What is the half-life of the radioactive isotopes?a. A radioactive isotope decreased to one-half its original amount in 18 month

s.

1 answer:

arlik [135]3 years ago

3 0

One fourth means (one half) of (one half) .

So the 18 months must be two half-lifes.

The half-life of this particular isotope is 9 months.

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