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OpenStudy (anonymous):
Simplify: (9x^2y^-3)^0 a. 0 b. 1 c. 9x^2y^-3 d. 9xy
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OpenStudy (anonymous):
c
OpenStudy (anonymous):
Anything power 0 is 1 so b.
OpenStudy (anonymous):
B. :)
OpenStudy (anonymous):
ooppps :)
OpenStudy (anonymous):
It's the old OBOB (Off By One Bug) - seeing 0, and answering about 1 .
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