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Ash17:

A radioisotope has a half-life of 5.50 min and an initial decay rate of 7200 Bq. What will be the decay rate after 22 min? Show all work and include units of measur

Vocaloid:

first find the decay constant k = ln(2)/half life then plug into A = A_0 * e ^ (-kt) where k is the decay constant, A_0 is the initial decay rate (7200 Bq), t is the time (22 mins), solve for A

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