Physics, 20.10.2019 02:00 1074885

What is the half life of each of these radioactive isotopes?
a radioactive isotope decreased to one-fourth its original amount in 18 months.

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What is the half life of each of these radioactive isotopes?
a radioactive isotope decreased...

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What is the half life of each of these radioactive isotopes? a radioactive isotope decreased to one-fourth its original amount in 18 months.

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Another question on Physics

What is the half life of each of these radioactive isotopes?
a radioactive isotope decreased to one-fourth its original amount in 18 months.