### Brain Teasers

# Reversible Exponents

Math
Math brain teasers require computations to solve.

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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