Mathematics for IGCSE & O level - Estimation (Section 3 - No. 20)
What does it mean to 'estimate' an answer to a problem?
To find the exact solution.
To guess a number without any calculation.
To find an approximate answer using simpler calculations.
To use a calculator and report the displayed number.
Εξήγηση
Estimating is about finding an approximate solution using easier methods.