Why Americans and English people pronounce ‘o’ instead of ‘zero’?

[Nbvinay]

Hi All,

Why Americans and English people pronounce ‘o’ instead of ‘zero’?

For example I pronounce 3.0 as ‘three point zero’
But one American guy pronounced it as ‘three point o’

Please Clarify? I am in confusion.

Thanks
Vinay

[Kitosdad]

Use the form that they use in whichever country you are visiting at the time. Both are valid.
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[Nbvinay]

[Kitosdad]

No explainable reason. It's always been said that way.

Kitos.
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Keep it simple ... Keep it interesting.