It is a cardinal number which comes after "four hundred forty-nine" and before "four hundred fifty-one".
It is used for counting and representing a quantity, for example:
"I have 450 apples in my garden." (我的花园里有450个苹果。)
"450 people attended the party last night." (昨晚450人参加了晚会。)
"The flight number is Air Canada 450." (航班号是加拿大航空450。)
The origin of the number 450 is the sum of digits of it which is 4+5+0 = 9.
The number has been used since ancient times, and it is widely used in modern times across various cultures and languages.

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最佳回答 2023-08-21