A 01000-G Sample of Phosphorus-32 Has an Activity of 1 $\times$

A 0.1000-g sample of phosphorus-32 has an activity of 1.056 $\times$ 10¹⁵ Bq.After seven days,what is the activity of the sample? Assume the molar mass of ³²P is 32 g/mol and its half-life is 14.3 days.

A) 5.6 $\times$ 10^-7 Bq
B) 0.34 Bq
C) 8.5 $\times$ 10⁸ Bq
D) 7.5 $\times$ 10¹⁴ Bq
E) 5.2 $\times$ 10¹⁴ Bq