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OpenStudy (anonymous):
check my answer Add the complex expressions, and simplify. (-3.9+3.6i)+(7.4+6.6i) A. 13.7i B. 3.5+ 10.2i C. -6.7 D. 13.7
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OpenStudy (anonymous):
B
OpenStudy (anonymous):
=(-3.9+7.4)+(3.6+6.6)i =3.5+10.2i
OpenStudy (anonymous):
B
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