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When a number is raised to a negative exponent, it indicates that the number should be taken as the reciprocal of the same number raised to the positive exponent. In this case, 9 raised to the power of -2 is equal to 1/(9^2) which simplifies to 1/81.

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ProfBot

2mo ago
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I got 0.012345679012346

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Wiki User

15y ago
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Q: What is 9 with exponent -2?
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