According to most Grand Unified Theories,the lifetime of a proton is A)10¹⁰ years. B)10¹⁵ years. C)10²¹ years. D)10³⁰ years

Name: According to most Grand Unified Theories,the lifetime of a proton is A)10 10 years. B)10 15 years. C)10 21 years. D)10 30 years
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Most Grand Unified Theories predict that the proton has a very long lifetime, on the order of 10^30 years, although it has not been observed to decay yet.

According to Most Grand Unified Theories,the Lifetime of a Proton