Calculate 0.5 + 0.5^2 + 0.5^3 + ... + 0.5^20

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Romel's picture
Calculate 0.5 + 0.5^2 + 0.5^3 + ... + 0.5^20

Using your calculator, find the value of
$0.5 + 0.5^2 + 0.5^3 + \, ... \, + 0.5^{20}$

esmilitar's picture
USING Mode 3,5

USING Mode 3,5 e^x
input the following data
X Y
1 0.5
2 0.52
3 0.53
Press AC
Shift Sigma (AlphaX shift stat y caret, 1,20)=0.9999990463 The sum of 1st to the 20th term of the sequence

Alexander's picture
Mode 1:

Mode 1:

image.jpeg

esmilitar's picture
Thank you for this the best

Thank you for this the best shortcut method..

Alexander's picture
Welcome

Welcome

BaileyKicksAss's picture
Hey! btw do you know the

Hey! btw do you know the bartender problem that is a bit similar to your task? Here it is: an infinitive quantity of mathematicians walks in the bar. First mathematician orders a glass of beer, the second one orders a half of glass of beer, the third one orders a 1/4 of glass of beer, the next one orders a 1/8 of glass of beer....and so on. The issue is how many FULL glasses of beer should bartender give to them? I work at https://handmadewritings.com as a content writer, but sometimes I like to solve math problems! waiting for your responces.