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## USING Mode 3,5

USING Mode 3,5 e^x

input the following data

X Y

1 0.5

2 0.5

^{2}3 0.5

^{3}Press AC

Shift Sigma (AlphaX shift stat y caret, 1,20)=0.9999990463 The sum of 1st to the 20th term of the sequence

## Mode 1:

Mode 1:

## Thank you for this the best

In reply to Mode 1: by Alexander

Thank you for this the best shortcut method..

## Welcome

In reply to Thank you for this the best by esmilitar

Welcome

## 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.

## Suppose the bartender had

Suppose the bartender had only enough beer for 2 glasses.

After the first order, the bartender thinks "I have only enough beer left for 1 glass."

After the second order, the bartender thinks "I have only enough beer left for 1/2 glass."

After the third order, the bartender thinks "I have only enough beer left for 1/4 glass."

After the fourth order, the bartender thinks "I have only enough beer left for 1/8 glass."

As long as only those crazy mathematicians show up, the bartender would theoretically never run out of liquid to fill the orders. The world would run out of mathematicians before there is only a single molecule left. However, at some point less than a drop would have to be served, and that would pose a technical problem. Also, the flavor would start changing as the liquid left became depleted of minor flavor components.

## What is the answer?

What is the answer?

## Great topic for me.

Great topic for me.

## Let's see the answer of KMST.

Let's see the answer of KMST.