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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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irspow
irspow irspow
  • 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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