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Home > Pre-Algebra calculators > Classifying numbers (Rational,Irrational,Real,Natural,Integer) calculator
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Solution
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Solution provided by AtoZmath.com
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Rational,Irrational,Real,Natural,Integer Property calculator
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1. Find Rational,Irrational,Real,Natural,Integer Property of `8`
Solution: `8`
So, `8` is a natural number
2. Find Rational,Irrational,Real,Natural,Integer Property of `-5`
Solution: `-5`
`-5` is the negative number
So, `-5` is an integer number
3. Find Rational,Irrational,Real,Natural,Integer Property of `1/3`
Solution: `1/3`
`1/3` is a fraction number
So, `1/3` is a rational number
4. Find Rational,Irrational,Real,Natural,Integer Property of `0.583`
Solution: `0.583`
The decimal `0.583` stops after the `3`
So, `0.583` is a rational number
5. Find Rational,Irrational,Real,Natural,Integer Property of `0.605551275...`
Solution: `0.605551275...`
`0.605551275...` has no repeating block of digits and it does not stop
So, `0.605551275...` is an irrational number
6. Find Rational,Irrational,Real,Natural,Integer Property of `0.3333333...`
Solution: `0.3333333...`
The 3 repeats in `0.3333333...`
So, `0.3333333...` is a rational number
7. Find Rational,Irrational,Real,Natural,Integer Property of `sqrt(64)`
Solution: `sqrt(64)`
`64` is a perfect square, since `8^2=64`. So `sqrt(64)=8`
So, `sqrt(64)` is a rational number
8. Find Rational,Irrational,Real,Natural,Integer Property of `sqrt(5)`
Solution: `sqrt(5)`
`2^2=4` and `3^2=9`, so `5` is not a perfect square. Therefore, the decimal form of `sqrt(5)` will never repeat and never stop
So, `sqrt(5)` is an irrational number
9. Find Rational,Irrational,Real,Natural,Integer Property of `sqrt(-5)`
Solution: `sqrt(-5)`
There is no real number whose square is `-5`
So, `sqrt(-5)` is a complex number
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