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11-06-2017
Mathematics

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Evaluate the expression. Rewrite the expression using a radical.

Evaluate the expression Rewrite the expression using a radical class=

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11-06-2017

128^(-2/7) (note that 128=2^7)

(2^7)^(-2/7)

2^(7*-2/7)

2^(-2) which is also equal to:

1/(2^2)

1/4

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