a = 10, d = -3, n = 30. an = ?
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Answered by
1
Answer:
-77
Step-by-step explanation:
a(n) = a+ (n-1) d
a(n) = 10 + (30-1) (-3)
=> a(n) = 10 + 29(-3)
=> a(n) = 10 - 87
=> a(n) = -77
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