Find the indicated nth partial sum (Sn) of the arithmetic sequence 20.0190 a) 8, 20, 32, 44... n=10 SM b) up=-6, d = 4, n=50 c) 0.5 +1.3 +21+ +0 .. +70.1 @ d) -3 + (² ²³3/2) + 0 + e) U₂ = 8 us = 9.5₁ n = 12 f) u₁ = 100, d= -5₁ n=d +30

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