Exhibit 19-1 the Following Question(s) Pertain to a 0.25 Gram Sample of Sample

Exhibit 19-1
The following question(s) pertain to a 0.25 gram sample of the ³²P nuclide which has a half life of 14.28 days and a specific activity of 1.07×10¹⁶ Bq·g^-1.
Refer to Exhibit 19-1. What is the activity of the 0.25 gram sample initially?

A) 1.07×10¹⁶ Bq
B) 2.68×10¹⁵ Bq
C) 4.28×10¹⁶ Bq
D) 5.33×10¹⁵ Bq