Question

ache a soma dos 10 primeiros termo da peogressao geometrica (2,4,8,...)

Answer 1

a10=2.2^(10-1)
a10=2.2^9
a10=2^10

s10=2( 2^10  -1)/ 2-1
s10=2(1024 -1)
s10=2.1023
s10=2046