Question

Determine the general rule of 2;4;8;16 and the 10th term

Answer 1

Answer:

a=2 1st term

common ratio , r = 2

So the sequence is a,ar,ar^2,ar^3,..., ar^(n-1) is the nth term

So 10th term is 2*2^(10-1)= 2^10 is the required answer