The activity of a radioactive sample is the number of decay events per second. The SI unit of activity is the becquerel (1 Bq = 1/s). An older unit for activity is the curie (1 Ci = 3.70 $\times$ 10¹⁰/s). What is the activity in $\mu$ Ci of a sample with an activity of 2.1 10⁵ Bq of radiation?

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The Answer of The activity of a radioactive sample is the number of decay events per second. The SI unit of activity is the becquerel (1 Bq = 1/s). An older unit for activity is the curie (1 Ci = 3.70 $\times$ 10¹⁰/s). What is the activity in $\mu$ Ci of a sample with an activity of 2.1 10⁵ Bq of radiation?

The Activity of a Radioactive Sample Is the Number of Decay