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Is one half an irrational number?

Updated: 4/28/2022
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13y ago

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no. you can think of an irrational number as any number you don't know the last digit of. 1/2 is = to 0.5. because you know 5 is the last digit, it is rational. pi is irrational, because it does not have a last digit, it goes on forever. 10/3 or 3.33333 repeating is rational because you know 3 will be the last digit even if it is infinite. 6.7878787878 repeating would be irrational because it is not known if the 7 or the 8 is the last digit

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Q: Is one half an irrational number?
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no


Can half of an irrational number be rational?

No, it cannot. The product of a rational and irrational is always irrational. And half a number is equivalent to multiplication by 0.5


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