Brain Teasers
Reversible Exponents
There is only one pair of numbers that satisfies the equation x^y = y^x, where x does not equal y. Can you figure out which two numbers?
Hint
^ = to the power of. They are both single digits.Answer
2 and 4. 2^4 = 16, and 4^2 = 16.Hide Hint Show Hint Hide Answer Show Answer
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