What is the present activity in mci

Reference no: EM13996690

A ⁶⁰Co source is labeled 4.00 mCi, but its present activity is found to be 1.85 x 10⁷ Bq. (a) What is the present activity in mCi? (b) How long ago did it actually have a 4.00-mCi activity?

Reference no: EM13996690

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