Question

Type the missing number in this sequence:

-5,
20,
-80,

-1,280,
5,120

Answer 1

320

Explanation:

it looks as if it is multiplied by -4 every time.

-5 x -4 = 20

20 x -4 = -80

-80 x -4 = 320

Answer 2

320

Explanation:

multiples of -4