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March 27, 2017

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Which of the following numbers is irrational?

A 5/9
B 3.15
C /5
D 8.341

I THINK IT A

  • MATH - ,

    CAN SOMEBODY HELP ME

  • MATH - ,

    a rational number can be written as a fraction.

    Any terminating or repeating decimal is also rational.

    √5 is not rational. There is no fraction which is exactly equal to √5. The decimal value goes on forever and never repeats.

    It is easy to prove that √5 is irrational, if you are interested. Just google proofs for √2 and follow the same logic you find there.

  • MATH - ,

    so it c

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