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I am Lyosha [343]
3 years ago
10

What is 0.21212121... as a fraction???

Mathematics
1 answer:
Anettt [7]3 years ago
5 0

Answer:

7/33

Step-by-step explanation:

x = 0.<u>21</u>212121....     2 digits in the repeating sequence, x 100 both side

100 x = 21.21212121...

100x - x = 21.21212121... - 0.<u>21</u>212121.... = 21

99x = 21

x = 21/99 = 7/33

If this help, just add a happy face on comment, no star or brainliest please.

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