Question: How does uncertainty work when calculating a ratio, that is dimensionless? Does the ratio just not have uncertainty there are no units, or does it

How does uncertainty work when calculating a ratio, that is dimensionless? Does the ratio just not have uncertainty there are no units, or does it become just a percent uncertainty?

For example, initial kinetic energy of an object = (101)J, and final kinetic energy of an object = (81)J.

Ratio of final KE/ initial KE = (81)J/(101)J = 0.8?

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