Chemistry, 12.02.2020 04:58 harding6698

A sample of 28 Mg decays initially at a rate of 53500 disintegrations per minute, but the decay rate falls to 10980 disintegrations per minute after 48.0 hours

1.) What is the half life of 28 Mg in hours?

I have no idea how to work this equation. Please show step by step with correct answers so I can try to understand.

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A sample of 28 Mg decays initially at a rate of 53500 disintegrations per minute, but the decay rate...