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25-08-2020
Mathematics

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Write the number 0.21212121 ... as a fraction

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26-08-2020

Answer:

1.91/9

Step-by-step explanation:

x=0.212121212........ .........1 equation

10x=2.12121212......... ........2 equation

1 equation - 2 equation

9x=1.91

x=1.91/9

therefore 0.212121.....=1.91/9

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