SOLUTION: Find the sum of the first eight term. 2,4,8

Question 1093783: Find the sum of the first eight term. 2,4,8
Answer by ikleyn(52788) (Show Source): You can put this solution on YOUR website!
.

The sequence is

n:            1  2  3   4   5   6    7    8
Sequence[n]:  2  4  8  16  32  64  128  256    (the degrees of 2:  )


The sum is S =   = 511.

RELATED QUESTIONS
find the sum of the first eight terms in the series... (answered by richwmiller)

Find The sum of the first eight term of a linear sequence whose first term is 60 and... (answered by stanbon,greenestamps)

The second term and fifth term of a Geometric Progression (GP) are 1 and 1�8... (answered by josgarithmetic)

1.The 4th and 6th term of an A.P is 6 and 24 respectively. Find (1) the sum of the first... (answered by ikleyn)

The 5th term of a GP is 8, the third term is 4, and the sum of the first ten terms is... (answered by MathLover1,ikleyn,greenestamps)

Find the sum of the first eight terms in the geometric series 4 - 8 + 16 - ... -1,028 (answered by robertb)

The third term of an arithmetic sequence is 4 and the sum of the first 8 term is 36.... (answered by drj)

A geometric sequenee has first term -4 and a constant ratio of 5. a) Write the... (answered by venugopalramana)

The 2nd and 5th term of a geometric progression are 1 and1/8 respectively find Common... (answered by ewatrrr)