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

Question

Mathematics

Matthew Fields

7 July, 20:33

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

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Answers (1)

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Silky · Answer 1

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.