The correct way to say it is eighty and four hundred fifty three thousandths.
Two hundred-thousandths.
Twenty-five millionths.
Verbose is another way to say big words.
You say, "two millionths."
1050 in words is one thousand and fifty.
Five millionths.
The number 90,000,000,000 is written in words as "ninety billion."
Two hundred-thousandths.
Twenty-five millionths.
Three and sixty-three hundredths.
The number 10.20 is written in words as "ten point two zero".
Standard form:h+3 written in words: h added to three
Eighty and four hundred fifty-three thousandths.
As written, the answer appears to be "with your mouth." If this is not a meaningful answer, ask the question again using words that convey your meaning.
Using the right words - leaves the reader in no doubt of what the writer is trying to say.
The number 3,000,146 is written in words as "three million one hundred forty-six."
The number 11.210 is written as "eleven and twenty-one hundredths".