Question

please help?!
simplify the expression.
(-2i)(8i)

Answer 1

\[(-2i)(8i)=(-2) \times 8 \times i \times i=(-16) \times i^2= (-16) \times (-1)=16\]

Answer 2

i^2 = -1

Answer 3

wow... I really always overthink these problems. I had a feeling that was all I had to do. thank you, I will remember to simplify this way.

Answer 4

yea man it's easier than you think bro

Answer 5

looks like it! thanks guys