Homework Help: math

Posted by trinity on Monday, March 15, 2010 at 9:03pm.

I fyou start with 2 and count by 4s until youreach the number 202, you will have the following number sequence. 2, 6, 10, 14...202

If 2 is the first number in the sequence, 6 is the second and so on, what number in the sequence is 202?

math - Reiny, Monday, March 15, 2010 at 9:33pm
t_n = a + (n-1)d
202 = 2 + (n-1)(4)
200 = 4n - 4
204 = 4n
n = 51

term₅₁ is 202

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