Mathematics for IGCSE & O level - Estimation (Section 1 - No. 1)
What is the purpose of the instruction, “When rounding to estimate, the answer should not be a greater degree of accuracy than any of the values used in the calculation.”?
To avoid being more accurate than the numbers provided.
To be able to carry out more operations.
To focus on estimating and not being exact
To simplify the calculation.
解释
Estimation aims to give a reasonable approximation.