a-sample-of-mo-99-has-a-half-life-of-2-75-days-after-16-5-days-the-activity-of-t

Question

A sample of Mo-99 has a half-life of 2.75 days. After 16.5 days, the activity of the sample was reduced to 378 Bq. Calculate the initial activity, in becquerels, of the sample.

Accepted Answer

2.42×10⁴ Bq

Answer

1.21×10⁴ Bq

Answer

6.05×10³ Bq

Answer

3.02×10³ Bq