English-speaking contries are now officially on the "short scale" used in the US, which defines 1 trillion pounds as 1 x 1012, which has 12 zeroes.
*Other parts of the world use the "long scale" which assigns number names by millions, not by thousands, and in those areas a trillion has 18 zeroes.
What do you mean by "English" trillion?
Up until 1974, England used the long scale based on powers of a million (and was taught in schools, colleges, etc), so a trillion was (106)3 = 1018 so it had 18 zeros.
Since 1974, England has used the short scale based on powers of a thousand plus one (for official figures and is now taught in schools, colleges, etc), so a trillion is (103)3+1 = 1012 so it has 12 zeros.
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one trillion zeros!!
12.
15
1,000,000,000,000 is 1 trillion a 1 followed by 12 zeros a 1 followed by 15 zeros is 1 quardrillion
On the US short scale, there are 13 zeroes in ten trillion.It is 10,000,000,000,000 or (1 x 1013).13 zeros in 10 trillion.