Answer
$\frac{9-4i}{i}=-4-9i$
Work Step by Step
$\frac{9-4i}{i}=\frac{9-4i}{i}\frac{-i}{-i}=\frac{(9-4i)(-i)}{i(-i)}=\frac{-9i+4i^2}{-i^2}=\frac{-9i-4}{1}=-4-9i$
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