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20 x 20

20 x 20

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If 20 x 20 ≠ 400

What does it equal and on what do you base your answer?

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Originally posted by @wolfgang59
If 20 x 20 ≠ 400

What does it equal and on what do you base your answer?
Either 1100 or 1000, depending on whether you base it on 3 or 4. In a lower base (i.e., 2), there is no 20; in higher bases 20 x 20 is always 400.

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Perfect vision.