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joja [24]
3 years ago
9

Please help, thank you:)

Mathematics
1 answer:
lesya [120]3 years ago
8 0

Answer:

63.8

Step-by-step explanation:

a1 = -6.4 and d = 2.6

a(n) =  a1 + d(n - 1)

a(28) = -6.4 + 2.6(27)

a(28) = 63.8

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