If z is a multiple of 9402, what is the remainder when…

If z is a multiple of 9402, what is the remainder when z^2 is divided by 9?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #44170