Expectance vs expectation

[Duc]

put the correct form of the verb in the bracket below:

Life....(expect)of the USA has been increasing in the recent years.

I think it's "expectation" but my teacher said it was "expectance"

Is it correct?
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Don't see your shade think you are great

[Lost_Soul]

Hi,
Life expectancy/expectance is a set expression.
You can find out more about it from Wikipedia: http://en.wikipedia.org/wiki/Life_expectancy

[Duc]

Thank you
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Don't see your shade think you are great

[Yankee]

Hi duc

I'm not sure why you posted this question in two different forums, but here are my comments again:

[Duc]

Thank you very much
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Don't see your shade think you are great