An isotope of gd has a half life of 25 minutes. how long, Ask an Expert

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describe the use of nuclear isotope in medical field.

1. prepare a paragraph describeing what nuclear isotope can be used for medical purpose. Include the decay equation, the half life of isotope and the particular medical use for the isotope.

2. An isotope of Gd has a half life of 25 minutes. How long would you have to wait for eight half lives to pass?

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