cobii1958 cobii1958

11-06-2018
Physics

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How Many Days Would a Scientist Have To Wait For The Radioactivity To Be 12.5 The Starting Amount

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quiasia14 quiasia14

11-06-2018

They have to wait 18 days.

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princessisabella princessisabella

11-06-2018

They have to wait at least eight teen days

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