Discrete Math
posted by Francesca .
I want to verify that this is correct:
An arithmetic sequence begins, 116, 109, 102
• Determine whether 480 belongs to this sequence, if it does, what is its term number?
480 = 116 + (n  1)(7)
n  1 = 85.142. . .
So, that means 480 does not belong to this sequence, right? Thank you for any helpful replies!
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how do I do this can any body show me how?