Question

Find the 57th term of the following arithmetic sequence 7,16,25,34

Answer 1

Answer:

511

Explanation:

a = 7

d = 16-7

= 9

Therefore the 57th term can be calculated as follows

= 7 + (57-1)9

= 7 + 56(9)

= 7 + 504

= 511

Hence the 57th term is 511