Precalculus Examples

${(\frac{1}{7})}^{- 2} = 49$

Step 1

Convert the exponential equation to a logarithmic equation using the logarithm base $(\frac{1}{7})$ of the right side $(49)$ equals the exponent $(- 2)$ .

$\log_{\frac{1}{7}} (49) = - 2$