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Andrew [12]
3 years ago
11

Write the number 0.21212121 ... as a fraction

Mathematics
1 answer:
julia-pushkina [17]3 years ago
4 0

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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