## Intermediate Algebra: Connecting Concepts through Application

$\approx 4.744$
$= \log_{4.5} (1256)$ Since the base of the $\log$ function is not $10$, then the change of base formula is required before evaluating by calculator: $= \frac{\log 1256}{\log 4.5}$ by GDC / calculator $= 4.74422...$ $\approx 4.744$