The Decay Constant of a Radioactive Nuclide Is $4.6 \times 10 ^ { - 3 } \mathrm {~s} ^ { - 1 }$

Multiple Choice

The decay constant of a radioactive nuclide is $4.6 \times 10 ^ { - 3 } \mathrm {~s} ^ { - 1 }$ . What is the half-life of this isotope, in minutes?

A) $2.5 \mathrm {~min}$
B) $1.4 \mathrm {~min}$
C) $3.6 \mathrm {~min}$
D) $3.1 \mathrm {~min}$
E) $2.0 \mathrm {~min}$