Use the properties of complex numbers to subtract −5i−16i.(1 point)%0D%0AResponses%0D%0A%0D%0A11i%0D%0A11 i%0D%0A%0D%0A21i %0D%0A21 i%0D%0A%0D%0A−21%0D%0Anegative 21%0D%0A%0D%0A−21i

Answer 1

To subtract \(-5i - 16i\), you simply combine the coefficients of \(i\):

\[ -5i - 16i = (-5 - 16)i = -21i \]

Therefore, the result is \(-21i\).