Compute the geometric series.

3 + 15 + 75 + 375 + 1875 + 9375 + 46,875

3+15+75+375+1875+9375+46875+234375 = 292,968

If a sequence is geometric there are ways to find the sum of the first n terms,

denoted Sn, without actually adding all of the terms.

To find the sum of the first n terms of a geometric sequence use the formula

Sn = a1 (1 - r^n) / 1 - r, r ≠ 1

where n is the number of terms, a1 is the first term and r is the common ratio.

The sum of the first n terms of a geometric sequence is called geometric series.

Answer:

292,968 do u get it