Scientists draw conclusions based on evidence that has been gathered
through observation, experience, and experimentation. which of the following
terms best describes this kind of evidence?

empirical evidence

Explanation:

Empirical evidence includes measurements or data collected through observation, experience, and experimentation.  

Scientist, in order to validate their investigations, record and analyze data which allows them to conclude about their hypothesis. This is a central part of the scientific method, but a theoretical background is also needed.

r = ρ x length / area  

ρ = r x area / length  

ρ is in ohm-meters  

in basic units, it is m³kg/s³a²  

i think this is it.