Respuesta :

Answer:

D

Step-by-step explanation:

since 5 is a multiplier it can be placed outside the summation

Answer:


Step-by-step explanation:

5 multiplies each term given by (1/3)^t  in the formula in the question.

D is the answer because the 5 is placed outside the Sum sign and so  also multiplies  each  (1/3)^t .

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