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21-11-2017
Mathematics

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Solve 5^x-2 = 200. Round your answer to the nearest hundredth.
Please help

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tynollette tynollette

21-11-2017

5^{x-2} =200

Log5^(x-2)=log200

(x-2)log5=log200

(x-2)=log200/log5

x=log200/log5 +2
use your calculator: x=5.29

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