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OpenStudy (anonymous):
Simplify the expression (-2i)(8i)
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OpenStudy (loser66):
(-2)*8 =?
OpenStudy (anonymous):
-16
OpenStudy (loser66):
i*i =?
OpenStudy (anonymous):
But what do I do with the i's?
OpenStudy (anonymous):
i^2
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OpenStudy (loser66):
and i^2 = -1, right?
OpenStudy (loser66):
so (-16)*(-1) =?
OpenStudy (anonymous):
Oh I didn't know that. Okay so it's 16. Thank you!
OpenStudy (loser66):
np
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