Question

Dada a P.a ( 28, 36, 44, 52,...) determine o decimo termo dessa P.A

Answer 1

an = a1+ (n-1) . r

an = ?
a1 = 28
n = 10
r = 8

an = 28 + (10-1) . 8
an = 28 + 9 . 8
an = 28 + 72
an = 100

Bons estudos!
Entendeu?