26-08-2019
Mathematics

contestada

simplify
(4i)(–5i)(6i)

–120

–120i(incorrect)

120i

120

Respuesta :

thedemon840 thedemon840

26-08-2019

Answer:

120i

Step-by-step explanation:

;i × i = -1....so hence

4i × (-5i) = -20 i^2...which is -20(-1) = 20....

then you multiply with 6i

20(6i) = 120i

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