Answer
$T_F=-128.6^{\circ}$
Work Step by Step
The given temperature in Fahrenheit can be converted as follows:
$T_F=\frac{9}{5}(T_C)+32F^{\circ}$
We plug in the known values to obtain:
$T_F=\frac{9}{5}(-89.2C^{\circ})+32F^{\circ}$
$T_F=-128.6^{\circ}$