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23 June, 20:55

The number 0.8 can be written as 8 over 10, so it is an irrational number, true or false?!!

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  1. 23 June, 21:02
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    For a number to be rational by definition, a fractional representation of the number must exist.

    So N = n/m is rational if n and m are integers.

    Since it's given in fractional form it's rational by definition.

    Hence false.
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