Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for an to find a20, the 20th term of the sequence.a1 = 8, d = 0.6
A. an = 8n + 0.6; a20 = 160.6
B. an = 0.6n + 7.4; a20 = 19.4
C. an = 0.6n + 8; a20 = 20
D. an = 8n - 7.4; a20 = 152.6
Answer: B
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