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Find the 8th term in the geometric sequence which has a first term of 10 and a common ratio of 1.75.
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Mar 6, 2018
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Find the 8th term in the geometric sequence which has a first term of 10 and a common ratio of 1.75.
Mathematics
high-school
Rieux
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Rieux
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a = 10
r = 1.75
n = 8
8th term = a×(r)^n-1
= 10 × (1.75)^8-1
= 10 × (1.75)^7
= 10 × 50.265
= 502.65
Euro Micelli
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Mar 8, 2018
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Euro Micelli
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A(8) = A(1) * 1.75^(8-1) = 10 * 1.75^7 = 502.65
Kfkhalili
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Mar 12, 2018
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Kfkhalili
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