Saturday, November 7, 2009

84 A1 1831 What Is Sn Of The Geometric Series With A1 = 4, An = 256 And N = 4?

What is Sn of the geometric series with a1 = 4, an = 256 and n = 4? - 84 a1 1831

Sn What is the geometric series with A1 = 4, n = 256 and n = 4?
A. 84
b. 260
c. 336
d. 340

1 comment:

  1. 256 = 4 r ^ 3 where r = 4

    The terms are 4, 16, 64, 256

    s (4) = 340

    ReplyDelete