Mathematics for IGCSE & O level - Using A Calculator (Section 1 - No. 48)
When estimating the answer to a question, what are the benefits of doing so?
To determine if the answer is correct.
To use the order of operations.
To see the units that are being used.
To check for any errors.
คำอธิบาย
Estimating will help to see if any errors have been made.