If Protons Decay with a Half-Life of 10³⁰ Years,how Long

question 42

Multiple Choice

If protons decay with a half-life of 10³⁰ years,how long will it take for 1% of the protons in the universe to decay?

• A)6.3 * 10²⁷ yr
• B)1.0 * 10²⁸ yr
• C)1.5 * 10²⁸ yr
• D)9.9 * 10³¹ yr
• E)1.1 * 10³² yr

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Definitions:

Lever

A simple machine consisting of a rigid bar pivoted on a fixed point, used to transfer force and motion to perform work.

Sterile Workers

Individuals within a eusocial species, like ants and bees, who are incapable of reproduction and specialize in tasks like foraging and defense.

Social Animals

Animals that live cooperatively in groups or societies, displaying complex behaviors in communication, defense, and resource gathering.

Multigenerational Groups

Social or familial units that include members from multiple generations living together or interacting closely.