Question

(See picture)

Which expression gives the same result as (Picture included)

Answer 1

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 .

Answer 2

D

Explanation:

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