adriannajohn32 adriannajohn32

03-09-2021
Mathematics

contestada

Write the number 0.21212121…. as a fraction.

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brundag05 brundag05

03-09-2021

100x = 21.212121.....

100x - x = 21.212121... – 0.212121...

99x = 21. ( divide both side by 90)

x = 21/99

x = 21:3/99:3

x = 7/33

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