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What is the 7th term in the geometric sequence described by this explicit formula? an = 800 - (0.5)(n-1)
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12 votes
What is the 7th term in the geometric sequence described by this explicit

formula?
an = 800 - (0.5)(n-1)

User Phcaze
by
5.5k points

1 Answer

13 votes

Answer:

a₇ = 797

Explanation:

substitute n = 7 into the explicit formula

a₇ = 800 - 0.5(7 - 1) = 800 - 0.5(6) = 800 - 3 = 797

User Matt Camp
by
6.0k points
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