Answer
$5000.03$
Work Step by Step
RECALL:
$10^{3} = 1000
\\10^{-2} = \dfrac{1}{10^2} = 0.01
\\10^{-3} = \dfrac{1}{10^3} = 0.001
\\10^{-4} =\dfrac{1}{10^4} = 0.0001$
Thus, the given expression is equivalent to:
$=(5 \times 1000) + (3 \times 0.01)
\\=5000+ 0.03
\\=5000.03$