Use the properties of complex numbers to subtract −5i−16i .(1 point) Responses −21i negative 21 i −21 negative 21 11i 11 i 21i

Answer 1

To subtract -5i - 16i, you simply combine the coefficients of the imaginary part.

-5i - 16i can be simplified to (-5 - 16)i, which gives us -21i.

Therefore, the correct response is:

-21i