Answer
45
Work Step by Step
$Evaluate$ $the$ $expression$ $without$ $using$ $a$ $calculator:$
$10^{\log45}$
Make the expression equal to a variable [For instance $z$]
$$z = 10^{\log45}$$
Add a logarithm to both sides
$$\log z = \log10^{\log45}$$
$$\log z = 1^{\log45} [Note: \log10 = 1]$$
$$\log z = \log 45$$
$$ z = 45$$