Biology, 17.12.2019 21:31 JASMINEM6284

Manganese-52 has a half-life of 6 days. how many days would a scientist have to wait for the radioactivity to be 12.5% the starting amount?
a.6
b.12
c.18
d.24

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Manganese-52 has a half-life of 6 days. how many days would a scientist have to wait for the radioac...