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avatar+1016 

1. Simplify 0.4i − i.

 

Enter your answer in the box.

 

 

2.

 

 Dec 21, 2017
 #1
avatar+101084 
+2

0.4i  -  i   =

 

0.4i  - 1i  =

 

-0.6i

 

 

-2i  * -3i  =

 

6i^2  =

 

6 (-1)  = 

 

-6

 

 

cool cool cool

 Dec 21, 2017

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