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OpenStudy (girlgoyleh.):
Help! http://static.k12.com/bank_packages/files/media/mathml_8c85eee488c0d22e6533e4c1e7991d4f76867dd8_1.gif b= ?
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Nnesha (nnesha):
\[\huge\rm x^{-2} = \frac{ 1 }{ x^2 }\] hind whenever you have negative exponent you have to change that inot fraction form
OpenStudy (girlgoyleh.):
Okay.. so it becomes 1/b^4?
Nnesha (nnesha):
yes right
Nnesha (nnesha):
|dw:1424556932537:dw| now cross multiply
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