Problem 139 of 7
Simplify rational exponent expression 256^(2/8) before evaluating.
Hints
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reduce exponent fractions and apply properties.
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Base must be positive so exponent-fraction simplification is valid without domain issues.
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Your answer is equivalent to the expected form.
Solution
Walkthrough
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1. Reduce the exponent fraction.
2. Rewrite the expression with the simplified exponent.
3. Evaluate using roots and powers.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Failing to reduce when simplification is requested.