Evaluate 128^(-2/7)

Math
Rewrite the expression using the negative exponent rule .
Simplify the denominator.
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Rewrite as .
Apply the power rule and multiply exponents, .
Cancel the common factor of .
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Cancel the common factor.
Rewrite the expression.
Raise to the power of .
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
Evaluate 128^(-2/7)


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