If r = 199,999 and s = 991,999, which of the following…

If r = 199,999 and s = 991,999, which of the following is the units digit of r^2 + s^3?

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 #13297