Question

Find the 20th term of GP 2,4,8,16....

Answer 1

So, this pattern follows the rule which is multiply the previous number by 2

So; 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536

So they are powers of 2

2^1 = 2, 2^2 = 4

So the answer is 2^20 = 1048576