Question

determine o oitavo termo da PG (1/64, 1/32, 1/16, 1/8 ...) ?????

Answer 1

an=a1.q^n-1

a8= 1/64.2^8-1

a8= 1/64.2^7

a8=1/2^6.2^7

a8=2^-6.2^7

a8=2¹

a8=2