Number Theory
Number Bases
\[11 + 1 = 100\] 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?