SOLUTION: Use logarithms to solve the equation 4^x=2(3^x), giving your answer correct to 3 significant figures.
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Question 865079: Use logarithms to solve the equation 4^x=2(3^x), giving your answer correct to 3 significant figures.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.
Apply the natural log to both sides
Using rule 1
Using rule 3
Subtract from both sides.
Factor out x
Using rule 2
Divide both sides by to isolate x.
Using a calculator here
Rounding to 3 significant figures
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