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Number Bases

How would math be different if humans only had 6 fingers and 8 toes? How does a computer do math if it has no fingers to count on?

Number Bases Warmup

$11 + 1 = 100$ In which base is this equation true?

$66 + 66 = 143$ In which base is this equation true?

$12 \times 3 = 40$ In which base is this equation true?

$12 \times 9 = A2$ In which base is this equation true?

Note: In this equation, $$A$$ is a digit representing the number written as 10 in base 10.

$88 + 8 = 90$ In which base is this equation true?

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