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What is the sixth term in the geometric sequence described by this explicit formula? an=-5*(4)^(n-1)

User Toch
by
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2 Answers

1 vote

Answer:


a_(6) = - 5120

Explanation:

To obtain the sixth term substitute n = 6 into the formula


a_(6) = - 5 ×
4^(5) = - 5 × 1024 = - 5120


User Drakekin
by
8.0k points
6 votes

Answer:

-5120

Explanation:

Replace the n in the formula by 6.

a6 = -5(4)^(6-1)

= -5 * 4^5

= -5120

User Rich Moss
by
8.1k points

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