Question

Find the 10th term of a geometric sequence with the first element of 5 and a common ratio of 2

Answer 1

Explanation:

Sol^n, Here

First term(a)= 5

Common ratio(r)= 2

We know that

tn= ar^n-1

10= 5×2^10-1

= 5×2^9

= 5×512

= 2560

Hence, the 10th term is 2560

Answer