SOLUTION: Solve the exponential equation algebraically. Approximate the result to three decimal places. (If there is no solution, enter NO SOLUTION.) 5e^x = 81

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Solve the exponential equation algebraically. Approximate the result to three decimal places. (If there is no solution, enter NO SOLUTION.) 5e^x = 81       Log On


   



Question 717600: Solve the exponential equation algebraically. Approximate the result to three decimal places. (If there is no solution, enter NO SOLUTION.)
5e^x = 81

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
5e^x = 81
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e^x = 81/5
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Take the natural log of both sides:
x = ln(81)-ln(5)
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x = 2.7850
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Cheers,
Stan H.
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