Insert the missing number
4, -8, 16, -32, 64, (....)	Choose the correct option: A) 128 B) -128 C) 192 D) -132 E) 0
4*-2=-8   -8*-2= 
<gadget id="calculator">-8*-2</gadget>
<output>16</output>
16   16*-2=-32   -32*-2= 
<gadget id="calculator">-32*-2</gadget>
<output>64</output>
64   64*-2=-128   ANSWER:-128
<result>B</result>
Insert the missing number
4, -8, 16, -32, 64, (....)