Question

calcule o sétimo terma da p.g (1,4,16,...)

Answer 1

seria 4096
1x4=4x4=16x4=64x4=256x4=1024x4=4096

Answer 2

 an=a1.q^n-1
a7=1.4^7-1

a7=4^6

a7= 4096