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OpenStudy (anonymous):
Evaluate 9x^2y^-2 for x = –3 and y = 2. A. 324 B. 20/1/4 C. 9(-6)^0 D. 1/144
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OpenStudy (anonymous):
81/2
OpenStudy (campbell_st):
\[9\times(-3)^2\times \frac{1}{2^2}\]
OpenStudy (campbell_st):
just evaluate for the correct answer
OpenStudy (anonymous):
the answer is B. 20/1/4 correct
OpenStudy (anonymous):
is this correct doubledrive?
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OpenStudy (campbell_st):
thats correct.... doubledrive's answer is incorrect
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