## anonymous 3 years ago Find the value of the following expression:

1. anonymous

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

2. anonymous

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

3. anonymous

|dw:1360691829663:dw| right?

4. anonymous

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

5. anonymous

Do you know about sigma notation?

6. anonymous

i got 14

7. anonymous

Yeah, that's what I got

8. anonymous

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

9. anonymous

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