A dog's leash is 8 feet long. The owner estimates that their hand is 3 feet off the ground. The leash is not parallel to the gro
1 answer:
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Answer:
C
Step-by-step explanation:
The sum to n terms of a geometric sequence is
=
Here a₁ = 4 and r = - 3, thus
=
= = - (729 - 1) = - 728 → C