How do you write 3.212121.... as a fraction and why is it a rational number?
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Answer:
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Step-by-step explanation:
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sorry it's fault of my laptop
Answered by
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Step-by-step explanation:
3.212121....can be written as rational no.
Let 3.21 be x
therefore 100x=321.21
100x-x=321.21-3.21
99x=318
x=318/99
x=106/33
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