SOLUTION: Solve. Round any solutions to the fourth decimal place. 4log (base 3) (2r) + log (base 3) (r^3) = 4 There's a base of 3 on the logs, I just don't know how to punch it in.

SOLUTION: Solve. Round any solutions to the fourth decimal place. 4log (base 3) (2r) + log (base 3) (r^3) = 4 There's a base of 3 on the logs, I just don't know how to punch it in.

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Question 593171: Solve. Round any solutions to the fourth decimal place.
4log (base 3) (2r) + log (base 3) (r^3) = 4
There's a base of 3 on the logs, I just don't know how to punch it in.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
[(2r)^4] * (r^3) = 3^4

16 r^7 = 81
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