Find the solution of the exponential equation, rounded to four decimal places.

t= ln 9/ (9ln(1.05))

Step 1) divide both sides by 100. you get 1.05^(9t)=9

Step 2) take ln on both sides. ln(1.05^(9t))= ln9.

Step 3) Use exponential rule with ln to simplify to 9t ln(1.05) = ln(9)

Step 4) solve for t and divide both sides by 9ln(1.05) to get t= ln(9)/(9ln(1.05))

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