Question

o décimo terceiro termo da pg (3,9,27) a)3^13 b)1.596,536 c)89.836 d)3^12

Answer 1

PG (3,9,27,...)

a10 = 3 * 3^(10-1)

a10 = 3 * 3^9 

a10 = 3^10 = 59049

*-*-*-*-*-*-*-*-*-*-*-*
13/10/2016
Sepauto 
*-*-*-*-*-*-*-*-*-*-*-*