## boomerang285 Group Title Find the value of the following expression: one year ago one year ago

1. boomerang285

$\sum_{1}^{4}(i+1)$

2. Tom-Todd

(1+1) + (2+1) + (3+1) + (4+1) if the sigma is working in terms of i?

3. Tom-Todd

|dw:1360691829663:dw| right?

4. boomerang285

I think so.. this is all new to me, just started this stuff monday

5. Tom-Todd

Do you know about sigma notation?

6. boomerang285

i got 14

7. Tom-Todd

Yeah, that's what I got

8. boomerang285

not really.. just now learning,, I was just thrown into this stuff..

9. boomerang285

so what about this questions $\sum_{1}^{3} 2^{i}$