SOLUTION: Solve. Round any approximate solution to the fourth decimal place. 3^2r x 3^r-4=97 Please show me step by step to get the answer. Thanks

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Question 475935: Solve. Round any approximate solution to the fourth decimal place.
3^2r x 3^r-4=97
Please show me step by step to get the answer. Thanks

Answer by Tatiana_Stebko(1539)   (Show Source): You can put this solution on YOUR website!

Formula


take the logarithm of both sides of the equation by the base 3
, use scientific calculator for
add 4 to the both sides
divide by 3

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