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How do we add 2 + 2 in base 4? Show your work.
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In base 4, the first addend 2 is 2. The second addend 2 is 2, also.
So, we add 2 and 2 by usual way, and we get 4.
But in base 4, the number 4 is 10.
Therefore, in base 4 2 + 2 = 10. ANSWER
Solved, with explanation.