Respuesta :
Answer:
-2.5
Step-by-step explanation:
-1/2 is the number it is being miltiplied by
answer would be -2.5
because:
20 times -.5 is -10
-10 times -.5 is 5
5 times -.5 is -2.5
the reason for this geometric sequence, is each number being multiplied by -.5
because:
20 times -.5 is -10
-10 times -.5 is 5
5 times -.5 is -2.5
the reason for this geometric sequence, is each number being multiplied by -.5