It is: 19,000,000 = 19 million as a number
The number 19 is written as nineteen in English or as XIX in Roman numerals.
-- 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 .
n - 4 = 19
It appears that 26 and 40 are missing
2 and 19/100
Not too tough . . . Any number that you can completely write down on paperis a rational number.