#### Answer

$-128.92°F$

#### Work Step by Step

The formula to convert from C to F is:
$F = \frac{9}{5}C + 32$
Lets replace C by -89.4:
$F = \frac{9}{5} \times(-89.4) + 32 = 160.92 + 32 = -128.92$
$-128.92°F$

Published by
Pearson

ISBN 10:
013421742X

ISBN 13:
978-0-13421-742-0

$-128.92°F$

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