Precalculus Examples

$\log (a) = n$

Step 1

Rewrite $\log (a) = n$ in exponential form using the definition of a logarithm. If $x$ and $b$ are positive real numbers and $b \neq 1$ , then $\log_{b} (x) = y$ is equivalent to $b^{y} = x$ .

$10^{n} = a$

Step 2

Rewrite the equation as $a = 10^{n}$ .

$a = 10^{n}$