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40 is a natural number with various mathematical, scientific, religious and cultural significance. Learn about its properties, divisors, Euler's lucky numbers, atomic number, Fahrenheit-Celsius temperature, and more.
Learn the history and usage of the word forty, the only accepted spelling of the number 40 in English. Find out why it lacks a u and how to avoid the common misspelling fourty.
Jun 21, 2023 · Learn the correct spelling of the number 40 and avoid the common mistake of fourty. Find out the origin, history, and examples of forty and its related forms.
Learn the definition, pronunciation and usage of the number 40 in English. Find out how to say forty in different languages and contexts, and see examples and synonyms.
Nov 18, 2022 · Forty (40) is a cardinal number (i.e., a number used to indicate quantity). Like other words for numbers, it can be grammatically classified as a determiner, adjective, noun, or pronoun. “Fourty” is sometimes used instead of forty, but this is incorrect.
- Forty has two syllables. It’s pronounced with emphasis on the first syllable: [ for -tee]. In US English, the “tee” may sound more like “dee” [ for...
- Cardinal numbers (e.g., one, two, three) can be placed before a noun to indicate quantity (e.g., one apple). While these are sometimes referred to...
- Forty-five is the correct spelling. While “fourty” is sometimes used instead of forty , “fourty” is not a real word and should be avoided.
- Forty dollars is correct. Forty is the correct spelling of the cardinal number used to indicate a quantity of something. “Fourty” is sometimes used...
Learn about the number 40, its prime factors, and its significance in the Bible. Find out why 40 is the only word in English spelled in alphabetical order.
Oct 28, 2015 · Learn why 40 is a special number in science, religion, literature, and more. Discover the origin of quarantine, the length of a pregnancy, the formula of WD-40, and other bizarre factoids about 40.
