American English is used in the United States, the Philippines, Japan, Taiwan and other countries that have been subject to a strong American influence and sometimes in Canada. British English tends to be the preferred form in the other countries using English as mother tongue or second language. The numbers 1 - 10 are normally written in full in a text and numbers greater than 10 written in figures. When written in full each number is written separately, although the two-word numbers between 20 and 100 should be hyphenated. English, although this is often omitted in Amer.
Roman numbers can be cardinal or ordinal according to their position.
In these cases they are read cardinally. English-speakers also tend to have a strange habit of counting between 1,000 and approximately 2,500 in hundreds, but distinguishing between money and everything else. The cardinal numbers one, two, three become the ordinal numbers first , second and third . The Earth is the third planet from the Sun. First, second, third, fourth, etc.