which term of the sequence 3, 10, 17..................is 136
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Answer:
n = 20
Step-by-step explanation:
a = 3
d = 10 - 3 = 7
an = 136
n = ??
an = a + (n - 1) d
136 = 3 + (n - 1) 7
136 = 3 + 7n - 7
136 = 7n - 4
7n = 140
n = 20
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