(1-0.07)^x = (1-0.21)
You asked:
Solve the equation \({\left( 1 - 0.07 \right)}^{x} = 1 - 0.21\) for the variable \(x\).
MathBot Answer:
The solution is: \[x = \frac{- \log{\left(79 \right)} + 2 \log{\left(10 \right)}}{- \log{\left(93 \right)} + 2 \log{\left(10 \right)}} \approx 3.2481753\]