A Certain Radioactive Isotope Has a Rate Constant of Decay $\times$

A certain radioactive isotope has a rate constant of decay of 2.74 $\times$ 10^-2 min^-1.Calculate the time required for a sample of this isotope to decay to one-fourth of its initial value.

A) 25.3 min
B) 31.6 min
C) 0.0548 min
D) 50.6 min
E) 2.74 min