A simple rule for using numbers in writing is that small numbers ranging from one to ten (or one to nine, depending on the style guide) should generally be spelled out. Larger numbers (i.e., above ten) are written as numerals.

To write a number in words, start off from the left-most digit and write it according to their place value For example, 133 is read or written in words as one hundred thirty-three.

90 in words is Ninety. The number name of 90 can be written using the ones, tens, hundreds, thousands place of a number. Thus, the place value chart helps us to write the number 90 in words.

The first few digits are: 2.7182818284590452353602874713527 (and more ...) It is often called Euler's number after Leonhard Euler (pronounced "Oiler"). e is an irrational number (it cannot be written as a simple fraction).

Ninty is not a real word. You should always use ninety. If you're struggling to remember how to spell 90, one helpful tip is to start by writing out nine and then adding the rest of the word.

Simply because it looks like a 'G' in most countries font styles. We have two possible letters which '8' could replace. Either the letter 'O' or 'B'. The number '9' can be used as a 'g', yes that's write, a lower case 'g' .

It is generally best to write out numbers from zero to one hundred in nontechnical writing. In scientific and technical writing, the prevailing style is to write out numbers under ten.