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 value of the decay constant k?

A) 7.00×10^-2 d^-1
B) 2.11×10^-2 d^-1
C) 4.85×10^-2 d^-1
D) 9.70×10^-2 d^-1