Best Answer

let 1+2+4+8+...... =s

s= 1+2(1+2+4+8+........)

s=1+2s

s=-1

but sum of infinite terms cannot be -1

so, what's the answer

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1/2

Q: What is 1 plus 2 plus 4 plus 8 plus .?

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1 and 7/8 + 2 and 3/8 = 4 and 1/4

1 and 2/4 + 3/4 = 2 and 1/4

7/8 1/2 + 1/4 + 1/8 = 4/8 + 2/8 + 1/8 = 7/8

32

1+2+3+4+5+6+7+8+9=37

Related questions

1/8 plus 1/4 plus 1/2 = 7/8 or 0.875

1/2 plus 2/8 = 4/8 + 2/8 = 6/8 = 3/4

2 1/4

The sum of the numbers given is 31. 1 + 2 + 4 + 8 + ... + 2n = 2n+1 - 1

1 and 7/8 + 2 and 3/8 = 4 and 1/4

1 and 2/4 + 3/4 = 2 and 1/4

7/8 1/2 + 1/4 + 1/8 = 4/8 + 2/8 + 1/8 = 7/8

To aid in solving this sum, 1/4 can be expanded to 2/8. So that makes 2/8 + 1/8 + 1/8 which equals 4/8 or 1/2.

((2 plus (1 over 4)) plus 3) plus (7 over 8) = 6.12500

32

1 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 46

1/4 + 1/4 = 2/42/4 + 2/8 = 3/4