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Is 2/7 a rational number? What is its decimal expansion?
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Is 2/7 a rational number?

What is its decimal expansion?

User Joe Hany
by
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1 Answer

2 votes

Answer:

2/7 is a rational number as its decimal expression is repeating.

Its decimal expansion is 0.2857142857142857

Here you can see that 571428 is repeating in the decimal places making it a rational number

User Vajrakumar
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