Question

(See picture)

Which expression gives the same result as (Picture included)

Answer 1

Answer:

D

Step-by-step explanation:

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

Answer 2

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 .