Print S h are an activity or a radioactive... • Timer Notes Evaluate Feedback A radioactive isotope has an activity...

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- Ø activita after 3.65# adt A=A..e A = siauront é *3.45 Squyo - 3.65.lu 3 6.3 A = 5.948 104 A: 3975 3.94 A = 3.97X104 Bq Ans

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