Answer
178.728
Work Step by Step
We are given that $g(7.2)=2.7x^{2}+6.8x-10.2$.
$g(7.2)=2.7\times7.2^{2}+6.8\times7.2-10.2=2.7\times51.84+48.96-10.2=139.968+48.96-10.2=178.728$
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