exact value
[ɪɡˈzækt ˈvæljuː]
nounpl: exact values
valor exato
1. A precise numerical quantity without approximation, rounding, or estimation; the true or accurate amount of something
The exact value of pi cannot be fully expressed as a decimal.
O valor exato de pi não pode ser totalmente expresso como um decimal.
2. In mathematics, a result expressed in its most precise form, often as a fraction, radical, or infinite series rather than a decimal approximation
The exact value of the square root of 2 is √2, not 1.414.
O valor exato da raiz quadrada de 2 é √2, não 1.414.
3. The precise, unrounded numerical measurement or quantity of something
We need the exact value of the transaction, not an estimate.
Precisamos do valor exato da transação, não de uma estimativa.
This term is predominantly used in educational, mathematical, and scientific contexts in both English-speaking and Portuguese-speaking countries. In Brazil, it's particularly common in mathematics education and engineering. The distinction between 'exact value' and 'approximate value' is fundamental in mathematics pedagogy.
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