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15-12-2016
Mathematics

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What is 9^2x=66 ? Round to the nearest thousandth

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mathssydney mathssydney

15-12-2016

18x=66
x=66/18
x=3.667

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15-12-2016

[tex]9^{2x} =66, 2x = \log_9 66, x= \frac{1}{2} \log_9 66 \approx \boxed{0.953} [/tex]

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