Precalculus Examples

$7^{- 4} = \frac{1}{2401}$

Step 1

Convert the exponential equation to a logarithmic equation using the logarithm base $(7)$ of the right side $(\frac{1}{2401})$ equals the exponent $(- 4)$ .

$\log_{7} (\frac{1}{2401}) = - 4$