What problem does using the AU solve when discussing interplanetary distances?

Answer

It avoids managing impossibly long strings of zeroes

Using the AU brings the massive kilometer figures down to a manageable, human-scale comparison relative to Earth's orbit, preventing clumsy communication and transcription errors.

What problem does using the AU solve when discussing interplanetary distances?
measurementastronomyDistancespace scienceastronomersastronomical unitAUkilometers