eight hundred forty thousand nine hundred
three
Forests
Sixty-one.
I would say: one hundred and eighty-eight.
3 and 6 hundredths.
Eight and seven hundredths.
The word your can be both plural and singular. You may say to one person, "Is that your car?" You would also say to a group of people "Are those your cars?" Either way, the form of your does not change. The word "yours" is not a plural. It is the possessive form of your.
Twelve and twenty-five thousandths.
You would have to say,"One grain of rice."
You would say it as four point seven eight four.
Six million three hundred ten thousand.
0.90 in word form is: nine-tenths.