Remainders: Problem 1

Problem: What is the units digit of the sum of 1^2007 + 2^2007 + 3^2007 +... 2006^2007

Key: Find a pattern using tables

Working With Remainders (Basics): https://youtu.be/lGTAeXJ0Q8A

Divisibility Rules: https://youtu.be/bw86BjSgrII

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