Question

determine o 10° termo da p.g ( 1,2,4,8)

Answer 1

pg=a1.q^n-1
a1=1
q=2/1
q=2
n=10
an=1.2^10-1
a10=2^9
a10=2x2x2x2x2x2x2x2x2
a10=512