Question

Is −1.28 a rational number?

Answer 1

we have 1.28 with bar above 28 signifying that the number can also be written as 1.28282828 The mixed number is then equal to,

1 and 28/99 or 1 and 28 over 99

Therefore, the answer to this item is the second choice.

Explanation:

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Answer 2

The number -1.28 is rational if it is an integer or decimal, so yes it is.