Find the 20 th term in the arithmetic sequence -4, 1, 6, 11, 16,….

4 answers

Tn =a + (n-1) d
a =-4
d = 5
so
T20 = -4 +19*5 = -4 + 95 = 91
the answer would be 91 i think
Thank you for the answer!
4,-1,-6.... 20 term