SOLUTION: solve each equation. Round to four decimal places. 2^n=sqrt(3^n-2)

Algebra.Com
Question 570869: solve each equation. Round to four decimal places.
2^n=sqrt(3^n-2)

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!

Square both sides
assuming n-2 is the exponent. Use parentheses.
2n*log(2) = (n-2)*log(3) = nlog(3) - log(9)
2n*log(2) - n*log(3) = -log(9)
n*(log(3) - 2log(2)) = log(9)
n = log(9)/log(3/4)
n =~ -7.6377

RELATED QUESTIONS

Solve the proportion for n. (Enter a number. Round your answer to two decimal places.) (answered by Alan3354)
Solve each equation or inequality. Round to four decimal places if necessary. log base 2 (answered by stanbon)
1. Solve each equation. Show all your work. Round your answers to four decimal places.... (answered by solver91311,Alan3354)
Solve the equation Inx=2. Round the answer to four decimal places. Please... (answered by venugopalramana)
Solve the equation 7(x – 2) = 5x. Round the answer to four decimal... (answered by richwmiller)
Solve the equation 7^(x – 2) = 5^x. Round the answer to four decimal places. Thanks.... (answered by AnlytcPhil)
Solve the equation 7^(x – 2) = 5^x. Round the answer to four decimal... (answered by MathTherapy,lwsshak3)
Solve the equation 7^(x – 2) = 5x. Round the answer to four decimal... (answered by Alan3354,MathTherapy)
Solve the equation. Round answer to four decimal places.... (answered by nerdybill)