Find The 20th Term Of The Arithmetic Sequence 17 , 13 , 9 , ...

Find the 20th term of the arithmetic sequence 17 , 13 , 9 , ...

 

Answer:

A20= -59

Step-by-step explanation:

Aⁿ= A¹ + (n-1) d

A20=17+(20-1)-4

=17+(19)-4

=17-76

A20= -59


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