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Examine, whether the following numbers a...

Examine, whether the following numbers are rational or irrational:
5.040040004

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MODERN PUBLICATION-NUMBER SYSTEMS-EXERCISE
  1. Examine, whether the following numbers are rational or irrational: 2.1...

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  2. Examine, whether the following numbers are rational or irrational: 4.2...

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  3. Examine, whether the following numbers are rational or irrational: 5.0...

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  4. Examine, whether the following numbers are rational or irrational: 2.3...

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  5. In the following equation which variables represent rational numbers a...

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  6. In the following equation which variables represent rational numbers a...

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  7. In the following equation which variables represent rational numbers a...

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  8. In the following equation which variables represent rational numbers a...

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  9. Prove that sqrt3+sqrt7 is an irrational number.

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  10. Prove that sqrt3 is an irratinal number.

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  11. Prove that sqrtn, n being not a perfect square, is not a rational numb...

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  12. Prove that sqrt3+sqrt7 is an irrational number.

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  13. Find out the irrational number between 0.2101 and 0.222..=0.bar2

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  14. Find two irational numbers between 0.1 and 0.2

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  15. Find two irational numbers between sqrt2 and sqrt3

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  16. Find a rational number and an irratinal number between: a=0.1010010001...

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  17. Find two rational numbers between: a=2.232332333133332 and b=0.2525525...

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  18. Add: (sqrt3+2sqrt2) and (2sqrt3-5sqrt2)

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  19. Add: (3sqrt3-sqrt2+sqrt5) and (2sqrt2+5sqrt3-7sqrt5)

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  20. Multiply 3sqrt7 by 2sqrt7

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