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PtichkaEL [24]
4 years ago
8

Find the 80th term of the following arithmetic sequence.8, 13, 18, 23, ...​

Mathematics
1 answer:
Oksana_A [137]4 years ago
3 0

a_n=a_1+d(n-1)

d = 13 - 8 = 5

a_{80}=8+5(80-1) = 403

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