Insert the missing number
3, -9, 27, -81, 243, (....)	Choose the correct choice from the following answers.
A) 0 B) -739 C) 729 D) 739 E) -729
3*-3=-9   -9*-3= 
<gadget id="calculator">-9*-3</gadget>
<output>27</output>
27   27*-3=-81   -81*-3= 
<gadget id="calculator">-81*-3</gadget>
<output>243</output>
243   243*-3=-729   ANSW-729R:-729
<result>E</result>
Insert the missing number
3, -9, 27, -81, 243, (....)