Question

Suku ke 13 dr barisan 1/16, 1/8, 1/4, 1/2
brp?

Answer 1

A = 1/16
r = 1/8 / (1/16) = 1/8 x 16=2

U13= ar^12
= (1/16)(2^12)
= (2^-4)(2^12)
= 2^(-4+12)
=2^8
= 256