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Please help!! i have a test tomorrow and i need help understanding this problem

Please Help I Have A Test Tomorrow And I Need Help Understanding This Problem class=

Sagot :

[tex]a_n[/tex] is the n-th term in some sequence following the given rule.

Then [tex]a_{27}[/tex] is the 27th term in the sequence, and

[tex]a_{27} = -23 + 20\times27 = \boxed{517}[/tex]