How do you convert the angle $-128^circ 30'$ in decimal degree form?

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Answer 1 · 2018-06-21T05:29:09

Since 60' = 1 degree and 60"=1' or 3600"=1 degree use these as unit conversions.
$128^0+(30/60)^0=128.5^0$

How do you convert the angle -128^circ 30'-128^circ 30' in decimal degree form?