If Protons Have a Half-Life of 10³¹ Years,what Fraction of the Original

Multiple Choice

If protons have a half-life of 10³¹ years,what fraction of the original protons have decayed during the 10³ year existence of the universe?

A) 3/31
B) 28/31
C) 4 × 10^-7.00
D) 4/10
E) l​ess than any of the above values