4 years ago

Plzzz I need it asap

Mathematics

1 answer:

wlad13 [49]4 years ago

6 0

1. 1.5
2. 2
3. 4
4. 3
5. 1/8 or 0.125
6. 1 1/3 or 1.33
7. 52
8. 12 1/2 or 12.5
hope this helps ❤

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Katyanochek1 [597]

$\text{It is a geometric series.}\\\\\text{First term,}~ a = 2\\\\\text{Common ratio,}~ r = \dfrac{-\tfrac 43}2 = -\dfrac 46 = -\dfrac 23\\\\\text{Sum of an infinite geometric series,}\\\\S_{\infty} = \dfrac{a}{1-r}\\\\\\~~~~~=\dfrac{2}{1-\left(- \dfrac 23 \right)}\\\\\\~~~~~=\dfrac{2}{1+ \dfrac 23}\\\\\\~~~~~=\dfrac{2}{\tfrac 53}\\\\\\~~~~~=\dfrac{6}{5}\\\\$