Respuesta :

Answer:

1-2i

Step-by-step explanation:

1: Evaluate the power, so i^3 and i^19 become negative because they have odd exponents. i^16 becomes a positive 1 because they have even exponents.

-i-i+1

2. Combine like terms. -2i+1

3. Reorder terms

Solution: 1-2i

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