Answer
$2.62$
Work Step by Step
$\log_{b}\frac{b^{2}x^{5/2}}{\sqrt y}$
$=\log_{b}{b^{2}x^{5/2}} - \log_{b}\sqrt y$
$ = \log_{b}b^{2} + \log_{b}x^{5/2} - \log_{b}\sqrt y$
$=2 + (5/2)\log_{b}x- (1/2)\log_{b}y$
$=2 + (5/2)(0.36) - (1/2)(0.56)$
$=2.62$