please help me calcuate this on wolfram PLEASE MEDALS GIVEN!!!

Question

anonymous · Answer

attachment

anonymous · Answer

idk wat that is

anonymous · Answer

I PUT THE PIC UP THERE PLEASE SHOW ME ON A CALCUATOR WOLFRAM

anonymous · Answer

i dont see it

anonymous · Answer

I just put the picture up there

anonymous · Answer

o ok

dangerousjesse · Answer

`\sum_{14}^{2}128(\frac{1}{4})` $\sum_{14}^{2}128(\frac{1}{4})$ $\textsf{ or}~$ `1/4`$~1/4$

dangerousjesse · Answer

I believe wolfram accepts mathmatica/mathjax input :)

anonymous · Answer

yes but whats the decimalk point thats not one of my answer choices

dangerousjesse · Answer

There is no decimal point?

dangerousjesse · Answer

You mean the imaginary variable? $\frac{1}{4}^i$ `$\frac{1}{4}^i$`

anonymous · Answer

5.3333
	21.3333
	10.6666
	42.6666

anonymous · Answer

those are my answer choices which one and how do you expect me to put that in wolfram itbwont work

dangerousjesse · Answer

I don't expect you to do anything, though I got an answer when I typed in 
sum_(14)^(2)*128(1/4)^i
Just put a little effort into it :)

anonymous · Answer

wait so is it d i think thats what i got

anonymous · Answer

try mathway that should help you but it wont show you how to get answers