Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.(9x1/9y1/9)2
A. 81x2/9y2/9
B. 81x2y2
C. 81x1/18y1/18
D. 81x1/81y1/81
Answer: A
Mathematics
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A. 7;
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