Is -19 a rational number

Answer 1

-- Any number that you can completely write down using digits, and a decimal point

or fraction bar if needed, is rational.

-- A rational number is defined as one that can be written as a fraction using whole numbers.

-19 can be written as the fraction -19/1 .

Answer 2

-- Any number that you can completely write down using digits is a rational number.

-- A rational number is one that can be written as the ratio of two whole numbers.

1.9 is the ratio of 19 and 10.

Answer 3

Yes.

Answer 4

yes

Answer 5

no